Home / 5,545.89-8,320.05-2,259.32

Finding the Fourth Proportional to 5,545.89, 8,320.05 and 2,259.32

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Solution

The fourth proportional to 5,545.89, 8,320.05 and 2,259.32 is: 3,389.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.89 : 8,320.05 = 2,259.32 : x
  2. Step 2: Convert to fraction form
    5,545.89/8,320.05 = 2,259.32/x
  3. Step 3: Cross multiply
    5,545.89x = 8,320.05 × 2,259.32
  4. Step 4: Simplify right side
    5,545.89x = 18,797,613.77
  5. Step 5: Solve for x
    x = 18,797,613.77/5,545.89
  6. Step 6: Final answer
    x = 3,389.47

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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.