Home / 8,549.15-11,791.47-6,424.77

Finding the Fourth Proportional to 8,549.15, 11,791.47 and 6,424.77

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Solution

The fourth proportional to 8,549.15, 11,791.47 and 6,424.77 is: 8,861.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,549.15 : 11,791.47 = 6,424.77 : x
  2. Step 2: Convert to fraction form
    8,549.15/11,791.47 = 6,424.77/x
  3. Step 3: Cross multiply
    8,549.15x = 11,791.47 × 6,424.77
  4. Step 4: Simplify right side
    8,549.15x = 75,757,484.70
  5. Step 5: Solve for x
    x = 75,757,484.70/8,549.15
  6. Step 6: Final answer
    x = 8,861.41

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Half scale
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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.