Home / 5,545.26-8,316.80-1,648.80

Finding the Fourth Proportional to 5,545.26, 8,316.80 and 1,648.80

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Solution

The fourth proportional to 5,545.26, 8,316.80 and 1,648.80 is: 2,472.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.26 : 8,316.80 = 1,648.80 : x
  2. Step 2: Convert to fraction form
    5,545.26/8,316.80 = 1,648.80/x
  3. Step 3: Cross multiply
    5,545.26x = 8,316.80 × 1,648.80
  4. Step 4: Simplify right side
    5,545.26x = 13,712,739.84
  5. Step 5: Solve for x
    x = 13,712,739.84/5,545.26
  6. Step 6: Final answer
    x = 2,472.88

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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.