Home / 4,755.38-7,135.52-2,123.69

Finding the Fourth Proportional to 4,755.38, 7,135.52 and 2,123.69

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Solution

The fourth proportional to 4,755.38, 7,135.52 and 2,123.69 is: 3,186.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755.38 : 7,135.52 = 2,123.69 : x
  2. Step 2: Convert to fraction form
    4,755.38/7,135.52 = 2,123.69/x
  3. Step 3: Cross multiply
    4,755.38x = 7,135.52 × 2,123.69
  4. Step 4: Simplify right side
    4,755.38x = 15,153,586.17
  5. Step 5: Solve for x
    x = 15,153,586.17/4,755.38
  6. Step 6: Final answer
    x = 3,186.62

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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.