Home / 5,545.12-8,317.80-1,649.68

Finding the Fourth Proportional to 5,545.12, 8,317.80 and 1,649.68

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Solution

The fourth proportional to 5,545.12, 8,317.80 and 1,649.68 is: 2,474.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.12 : 8,317.80 = 1,649.68 : x
  2. Step 2: Convert to fraction form
    5,545.12/8,317.80 = 1,649.68/x
  3. Step 3: Cross multiply
    5,545.12x = 8,317.80 × 1,649.68
  4. Step 4: Simplify right side
    5,545.12x = 13,721,708.30
  5. Step 5: Solve for x
    x = 13,721,708.30/5,545.12
  6. Step 6: Final answer
    x = 2,474.56

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Double scale
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Similar ratio
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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.