Home / 8,330.48-12,499.32-3,951.04

Finding the Fourth Proportional to 8,330.48, 12,499.32 and 3,951.04

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Solution

The fourth proportional to 8,330.48, 12,499.32 and 3,951.04 is: 5,928.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.48 : 12,499.32 = 3,951.04 : x
  2. Step 2: Convert to fraction form
    8,330.48/12,499.32 = 3,951.04/x
  3. Step 3: Cross multiply
    8,330.48x = 12,499.32 × 3,951.04
  4. Step 4: Simplify right side
    8,330.48x = 49,385,313.29
  5. Step 5: Solve for x
    x = 49,385,313.29/8,330.48
  6. Step 6: Final answer
    x = 5,928.27

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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.