Home / 5,773.20-8,660.71-1,876.70

Finding the Fourth Proportional to 5,773.20, 8,660.71 and 1,876.70

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Solution

The fourth proportional to 5,773.20, 8,660.71 and 1,876.70 is: 2,815.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,773.20 : 8,660.71 = 1,876.70 : x
  2. Step 2: Convert to fraction form
    5,773.20/8,660.71 = 1,876.70/x
  3. Step 3: Cross multiply
    5,773.20x = 8,660.71 × 1,876.70
  4. Step 4: Simplify right side
    5,773.20x = 16,253,506.46
  5. Step 5: Solve for x
    x = 16,253,506.46/5,773.20
  6. Step 6: Final answer
    x = 2,815.34

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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.