Home / 5,781.06-8,672.68-2,318.58

Finding the Fourth Proportional to 5,781.06, 8,672.68 and 2,318.58

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Solution

The fourth proportional to 5,781.06, 8,672.68 and 2,318.58 is: 3,478.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781.06 : 8,672.68 = 2,318.58 : x
  2. Step 2: Convert to fraction form
    5,781.06/8,672.68 = 2,318.58/x
  3. Step 3: Cross multiply
    5,781.06x = 8,672.68 × 2,318.58
  4. Step 4: Simplify right side
    5,781.06x = 20,108,302.39
  5. Step 5: Solve for x
    x = 20,108,302.39/5,781.06
  6. Step 6: Final answer
    x = 3,478.31

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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.