Home / 8,187.12-12,280.68-5,063.36

Finding the Fourth Proportional to 8,187.12, 12,280.68 and 5,063.36

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Solution

The fourth proportional to 8,187.12, 12,280.68 and 5,063.36 is: 7,595.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187.12 : 12,280.68 = 5,063.36 : x
  2. Step 2: Convert to fraction form
    8,187.12/12,280.68 = 5,063.36/x
  3. Step 3: Cross multiply
    8,187.12x = 12,280.68 × 5,063.36
  4. Step 4: Simplify right side
    8,187.12x = 62,181,442.48
  5. Step 5: Solve for x
    x = 62,181,442.48/8,187.12
  6. Step 6: Final answer
    x = 7,595.03

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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.