Home / 6,155.91-8,489.39-4,901.12

Finding the Fourth Proportional to 6,155.91, 8,489.39 and 4,901.12

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Solution

The fourth proportional to 6,155.91, 8,489.39 and 4,901.12 is: 6,758.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,155.91 : 8,489.39 = 4,901.12 : x
  2. Step 2: Convert to fraction form
    6,155.91/8,489.39 = 4,901.12/x
  3. Step 3: Cross multiply
    6,155.91x = 8,489.39 × 4,901.12
  4. Step 4: Simplify right side
    6,155.91x = 41,607,519.12
  5. Step 5: Solve for x
    x = 41,607,519.12/6,155.91
  6. Step 6: Final answer
    x = 6,758.96

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Double scale
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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.