Home / 8,962.05-13,435.25-4,279.71

Finding the Fourth Proportional to 8,962.05, 13,435.25 and 4,279.71

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Solution

The fourth proportional to 8,962.05, 13,435.25 and 4,279.71 is: 6,415.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,962.05 : 13,435.25 = 4,279.71 : x
  2. Step 2: Convert to fraction form
    8,962.05/13,435.25 = 4,279.71/x
  3. Step 3: Cross multiply
    8,962.05x = 13,435.25 × 4,279.71
  4. Step 4: Simplify right side
    8,962.05x = 57,498,952.38
  5. Step 5: Solve for x
    x = 57,498,952.38/8,962.05
  6. Step 6: Final answer
    x = 6,415.83

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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.