Home / 7,430.58-10,254.20-4,073.40

Finding the Fourth Proportional to 7,430.58, 10,254.20 and 4,073.40

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Solution

The fourth proportional to 7,430.58, 10,254.20 and 4,073.40 is: 5,621.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.58 : 10,254.20 = 4,073.40 : x
  2. Step 2: Convert to fraction form
    7,430.58/10,254.20 = 4,073.40/x
  3. Step 3: Cross multiply
    7,430.58x = 10,254.20 × 4,073.40
  4. Step 4: Simplify right side
    7,430.58x = 41,769,437.91
  5. Step 5: Solve for x
    x = 41,769,437.91/7,430.58
  6. Step 6: Final answer
    x = 5,621.29

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Double scale
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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.