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Finding the Fourth Proportional to 8,789.99, 13,184.98 and 3,595.86

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Solution

The fourth proportional to 8,789.99, 13,184.98 and 3,595.86 is: 5,393.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.99 : 13,184.98 = 3,595.86 : x
  2. Step 2: Convert to fraction form
    8,789.99/13,184.98 = 3,595.86/x
  3. Step 3: Cross multiply
    8,789.99x = 13,184.98 × 3,595.86
  4. Step 4: Simplify right side
    8,789.99x = 47,411,342.18
  5. Step 5: Solve for x
    x = 47,411,342.18/8,789.99
  6. Step 6: Final answer
    x = 5,393.79

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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.