Home / 5,545.50-8,319.62-1,649.89

Finding the Fourth Proportional to 5,545.50, 8,319.62 and 1,649.89

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Solution

The fourth proportional to 5,545.50, 8,319.62 and 1,649.89 is: 2,475.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.50 : 8,319.62 = 1,649.89 : x
  2. Step 2: Convert to fraction form
    5,545.50/8,319.62 = 1,649.89/x
  3. Step 3: Cross multiply
    5,545.50x = 8,319.62 × 1,649.89
  4. Step 4: Simplify right side
    5,545.50x = 13,726,457.84
  5. Step 5: Solve for x
    x = 13,726,457.84/5,545.50
  6. Step 6: Final answer
    x = 2,475.24

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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.