Home / 8,925.08-12,316.94-5,387.61

Finding the Fourth Proportional to 8,925.08, 12,316.94 and 5,387.61

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Solution

The fourth proportional to 8,925.08, 12,316.94 and 5,387.61 is: 7,435.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,925.08 : 12,316.94 = 5,387.61 : x
  2. Step 2: Convert to fraction form
    8,925.08/12,316.94 = 5,387.61/x
  3. Step 3: Cross multiply
    8,925.08x = 12,316.94 × 5,387.61
  4. Step 4: Simplify right side
    8,925.08x = 66,358,780.59
  5. Step 5: Solve for x
    x = 66,358,780.59/8,925.08
  6. Step 6: Final answer
    x = 7,435.09

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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.