Home / 6,299.92-8,690.34-3,937.96

Finding the Fourth Proportional to 6,299.92, 8,690.34 and 3,937.96

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Solution

The fourth proportional to 6,299.92, 8,690.34 and 3,937.96 is: 5,432.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,299.92 : 8,690.34 = 3,937.96 : x
  2. Step 2: Convert to fraction form
    6,299.92/8,690.34 = 3,937.96/x
  3. Step 3: Cross multiply
    6,299.92x = 8,690.34 × 3,937.96
  4. Step 4: Simplify right side
    6,299.92x = 34,222,211.31
  5. Step 5: Solve for x
    x = 34,222,211.31/6,299.92
  6. Step 6: Final answer
    x = 5,432.17

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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.