Home / 7,430.10-10,253.40-4,072.76

Finding the Fourth Proportional to 7,430.10, 10,253.40 and 4,072.76

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Solution

The fourth proportional to 7,430.10, 10,253.40 and 4,072.76 is: 5,620.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.10 : 10,253.40 = 4,072.76 : x
  2. Step 2: Convert to fraction form
    7,430.10/10,253.40 = 4,072.76/x
  3. Step 3: Cross multiply
    7,430.10x = 10,253.40 × 4,072.76
  4. Step 4: Simplify right side
    7,430.10x = 41,759,637.38
  5. Step 5: Solve for x
    x = 41,759,637.38/7,430.10
  6. Step 6: Final answer
    x = 5,620.33

Related Problems

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Half scale
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Double scale
Find fourth proportional to 7,431.10, 10,254.78 and 4,073.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.