Home / 8,861.58-12,230.73-5,087.30

Finding the Fourth Proportional to 8,861.58, 12,230.73 and 5,087.30

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Solution

The fourth proportional to 8,861.58, 12,230.73 and 5,087.30 is: 7,021.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.58 : 12,230.73 = 5,087.30 : x
  2. Step 2: Convert to fraction form
    8,861.58/12,230.73 = 5,087.30/x
  3. Step 3: Cross multiply
    8,861.58x = 12,230.73 × 5,087.30
  4. Step 4: Simplify right side
    8,861.58x = 62,221,331.58
  5. Step 5: Solve for x
    x = 62,221,331.58/8,861.58
  6. Step 6: Final answer
    x = 7,021.47

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Similar ratio
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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.