Home / 8,770.38-13,155.57-3,507.77

Finding the Fourth Proportional to 8,770.38, 13,155.57 and 3,507.77

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Solution

The fourth proportional to 8,770.38, 13,155.57 and 3,507.77 is: 5,261.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.38 : 13,155.57 = 3,507.77 : x
  2. Step 2: Convert to fraction form
    8,770.38/13,155.57 = 3,507.77/x
  3. Step 3: Cross multiply
    8,770.38x = 13,155.57 × 3,507.77
  4. Step 4: Simplify right side
    8,770.38x = 46,146,648.00
  5. Step 5: Solve for x
    x = 46,146,648.00/8,770.38
  6. Step 6: Final answer
    x = 5,261.65

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Similar ratio
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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.