Home / 7,459.28-10,293.72-4,102.13

Finding the Fourth Proportional to 7,459.28, 10,293.72 and 4,102.13

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Solution

The fourth proportional to 7,459.28, 10,293.72 and 4,102.13 is: 5,660.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459.28 : 10,293.72 = 4,102.13 : x
  2. Step 2: Convert to fraction form
    7,459.28/10,293.72 = 4,102.13/x
  3. Step 3: Cross multiply
    7,459.28x = 10,293.72 × 4,102.13
  4. Step 4: Simplify right side
    7,459.28x = 42,226,126.16
  5. Step 5: Solve for x
    x = 42,226,126.16/7,459.28
  6. Step 6: Final answer
    x = 5,660.89

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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.