Home / 7,758.08-11,549.38-7,711.96

Finding the Fourth Proportional to 7,758.08, 11,549.38 and 7,711.96

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Solution

The fourth proportional to 7,758.08, 11,549.38 and 7,711.96 is: 11,480.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,758.08 : 11,549.38 = 7,711.96 : x
  2. Step 2: Convert to fraction form
    7,758.08/11,549.38 = 7,711.96/x
  3. Step 3: Cross multiply
    7,758.08x = 11,549.38 × 7,711.96
  4. Step 4: Simplify right side
    7,758.08x = 89,068,298.84
  5. Step 5: Solve for x
    x = 89,068,298.84/7,758.08
  6. Step 6: Final answer
    x = 11,480.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.