Home / 6,931.92-9,566.16-3,788.28

Finding the Fourth Proportional to 6,931.92, 9,566.16 and 3,788.28

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Solution

The fourth proportional to 6,931.92, 9,566.16 and 3,788.28 is: 5,227.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931.92 : 9,566.16 = 3,788.28 : x
  2. Step 2: Convert to fraction form
    6,931.92/9,566.16 = 3,788.28/x
  3. Step 3: Cross multiply
    6,931.92x = 9,566.16 × 3,788.28
  4. Step 4: Simplify right side
    6,931.92x = 36,239,292.60
  5. Step 5: Solve for x
    x = 36,239,292.60/6,931.92
  6. Step 6: Final answer
    x = 5,227.89

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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.