Home / 5,553.77-8,331.46-1,854.90

Finding the Fourth Proportional to 5,553.77, 8,331.46 and 1,854.90

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Solution

The fourth proportional to 5,553.77, 8,331.46 and 1,854.90 is: 2,782.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.77 : 8,331.46 = 1,854.90 : x
  2. Step 2: Convert to fraction form
    5,553.77/8,331.46 = 1,854.90/x
  3. Step 3: Cross multiply
    5,553.77x = 8,331.46 × 1,854.90
  4. Step 4: Simplify right side
    5,553.77x = 15,454,020.52
  5. Step 5: Solve for x
    x = 15,454,020.52/5,553.77
  6. Step 6: Final answer
    x = 2,782.62

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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.