Home / 7,610.28-11,416.32-2,929.20

Finding the Fourth Proportional to 7,610.28, 11,416.32 and 2,929.20

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Solution

The fourth proportional to 7,610.28, 11,416.32 and 2,929.20 is: 4,394.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,610.28 : 11,416.32 = 2,929.20 : x
  2. Step 2: Convert to fraction form
    7,610.28/11,416.32 = 2,929.20/x
  3. Step 3: Cross multiply
    7,610.28x = 11,416.32 × 2,929.20
  4. Step 4: Simplify right side
    7,610.28x = 33,440,684.54
  5. Step 5: Solve for x
    x = 33,440,684.54/7,610.28
  6. Step 6: Final answer
    x = 4,394.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.