Home / 7,929.28-10,937.45-5,100.34

Finding the Fourth Proportional to 7,929.28, 10,937.45 and 5,100.34

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Solution

The fourth proportional to 7,929.28, 10,937.45 and 5,100.34 is: 7,035.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.28 : 10,937.45 = 5,100.34 : x
  2. Step 2: Convert to fraction form
    7,929.28/10,937.45 = 5,100.34/x
  3. Step 3: Cross multiply
    7,929.28x = 10,937.45 × 5,100.34
  4. Step 4: Simplify right side
    7,929.28x = 55,784,713.73
  5. Step 5: Solve for x
    x = 55,784,713.73/7,929.28
  6. Step 6: Final answer
    x = 7,035.28

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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.