Home / 8,817.52-12,169.32-5,459.92

Finding the Fourth Proportional to 8,817.52, 12,169.32 and 5,459.92

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Solution

The fourth proportional to 8,817.52, 12,169.32 and 5,459.92 is: 7,535.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.52 : 12,169.32 = 5,459.92 : x
  2. Step 2: Convert to fraction form
    8,817.52/12,169.32 = 5,459.92/x
  3. Step 3: Cross multiply
    8,817.52x = 12,169.32 × 5,459.92
  4. Step 4: Simplify right side
    8,817.52x = 66,443,513.65
  5. Step 5: Solve for x
    x = 66,443,513.65/8,817.52
  6. Step 6: Final answer
    x = 7,535.40

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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.