Home / 7,167.42-10,753.64-2,787.95

Finding the Fourth Proportional to 7,167.42, 10,753.64 and 2,787.95

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Solution

The fourth proportional to 7,167.42, 10,753.64 and 2,787.95 is: 4,182.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167.42 : 10,753.64 = 2,787.95 : x
  2. Step 2: Convert to fraction form
    7,167.42/10,753.64 = 2,787.95/x
  3. Step 3: Cross multiply
    7,167.42x = 10,753.64 × 2,787.95
  4. Step 4: Simplify right side
    7,167.42x = 29,980,542.93
  5. Step 5: Solve for x
    x = 29,980,542.93/7,167.42
  6. Step 6: Final answer
    x = 4,182.89

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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.