Home / 5,780.39-8,672.32-2,446.92

Finding the Fourth Proportional to 5,780.39, 8,672.32 and 2,446.92

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Solution

The fourth proportional to 5,780.39, 8,672.32 and 2,446.92 is: 3,671.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,780.39 : 8,672.32 = 2,446.92 : x
  2. Step 2: Convert to fraction form
    5,780.39/8,672.32 = 2,446.92/x
  3. Step 3: Cross multiply
    5,780.39x = 8,672.32 × 2,446.92
  4. Step 4: Simplify right side
    5,780.39x = 21,220,476.31
  5. Step 5: Solve for x
    x = 21,220,476.31/5,780.39
  6. Step 6: Final answer
    x = 3,671.12

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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.