Home / 8,817.05-12,167.92-5,280.19

Finding the Fourth Proportional to 8,817.05, 12,167.92 and 5,280.19

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Solution

The fourth proportional to 8,817.05, 12,167.92 and 5,280.19 is: 7,286.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.05 : 12,167.92 = 5,280.19 : x
  2. Step 2: Convert to fraction form
    8,817.05/12,167.92 = 5,280.19/x
  3. Step 3: Cross multiply
    8,817.05x = 12,167.92 × 5,280.19
  4. Step 4: Simplify right side
    8,817.05x = 64,248,905.69
  5. Step 5: Solve for x
    x = 64,248,905.69/8,817.05
  6. Step 6: Final answer
    x = 7,286.89

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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.