Home / 5,505.79-8,260.71-2,545.66

Finding the Fourth Proportional to 5,505.79, 8,260.71 and 2,545.66

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Solution

The fourth proportional to 5,505.79, 8,260.71 and 2,545.66 is: 3,819.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.79 : 8,260.71 = 2,545.66 : x
  2. Step 2: Convert to fraction form
    5,505.79/8,260.71 = 2,545.66/x
  3. Step 3: Cross multiply
    5,505.79x = 8,260.71 × 2,545.66
  4. Step 4: Simplify right side
    5,505.79x = 21,028,959.02
  5. Step 5: Solve for x
    x = 21,028,959.02/5,505.79
  6. Step 6: Final answer
    x = 3,819.43

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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.