Home / 7,767.28-11,652.76-3,385.52

Finding the Fourth Proportional to 7,767.28, 11,652.76 and 3,385.52

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Solution

The fourth proportional to 7,767.28, 11,652.76 and 3,385.52 is: 5,079.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767.28 : 11,652.76 = 3,385.52 : x
  2. Step 2: Convert to fraction form
    7,767.28/11,652.76 = 3,385.52/x
  3. Step 3: Cross multiply
    7,767.28x = 11,652.76 × 3,385.52
  4. Step 4: Simplify right side
    7,767.28x = 39,450,652.04
  5. Step 5: Solve for x
    x = 39,450,652.04/7,767.28
  6. Step 6: Final answer
    x = 5,079.08

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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.