Home / 8,805.08-12,149.52-5,451.68

Finding the Fourth Proportional to 8,805.08, 12,149.52 and 5,451.68

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Solution

The fourth proportional to 8,805.08, 12,149.52 and 5,451.68 is: 7,522.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.08 : 12,149.52 = 5,451.68 : x
  2. Step 2: Convert to fraction form
    8,805.08/12,149.52 = 5,451.68/x
  3. Step 3: Cross multiply
    8,805.08x = 12,149.52 × 5,451.68
  4. Step 4: Simplify right side
    8,805.08x = 66,235,295.19
  5. Step 5: Solve for x
    x = 66,235,295.19/8,805.08
  6. Step 6: Final answer
    x = 7,522.40

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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.