Home / 8,372.18-11,553.08-4,787.52

Finding the Fourth Proportional to 8,372.18, 11,553.08 and 4,787.52

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Solution

The fourth proportional to 8,372.18, 11,553.08 and 4,787.52 is: 6,606.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372.18 : 11,553.08 = 4,787.52 : x
  2. Step 2: Convert to fraction form
    8,372.18/11,553.08 = 4,787.52/x
  3. Step 3: Cross multiply
    8,372.18x = 11,553.08 × 4,787.52
  4. Step 4: Simplify right side
    8,372.18x = 55,310,601.56
  5. Step 5: Solve for x
    x = 55,310,601.56/8,372.18
  6. Step 6: Final answer
    x = 6,606.48

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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.