Home / 5,085.38-7,640.85-3,237.32

Finding the Fourth Proportional to 5,085.38, 7,640.85 and 3,237.32

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Solution

The fourth proportional to 5,085.38, 7,640.85 and 3,237.32 is: 4,864.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085.38 : 7,640.85 = 3,237.32 : x
  2. Step 2: Convert to fraction form
    5,085.38/7,640.85 = 3,237.32/x
  3. Step 3: Cross multiply
    5,085.38x = 7,640.85 × 3,237.32
  4. Step 4: Simplify right side
    5,085.38x = 24,735,876.52
  5. Step 5: Solve for x
    x = 24,735,876.52/5,085.38
  6. Step 6: Final answer
    x = 4,864.12

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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.