Home / 7,422.10-10,242.36-4,064.76

Finding the Fourth Proportional to 7,422.10, 10,242.36 and 4,064.76

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Solution

The fourth proportional to 7,422.10, 10,242.36 and 4,064.76 is: 5,609.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.10 : 10,242.36 = 4,064.76 : x
  2. Step 2: Convert to fraction form
    7,422.10/10,242.36 = 4,064.76/x
  3. Step 3: Cross multiply
    7,422.10x = 10,242.36 × 4,064.76
  4. Step 4: Simplify right side
    7,422.10x = 41,632,735.23
  5. Step 5: Solve for x
    x = 41,632,735.23/7,422.10
  6. Step 6: Final answer
    x = 5,609.30

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Half scale
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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.