Home / 5,545.40-8,319.06-2,260.28

Finding the Fourth Proportional to 5,545.40, 8,319.06 and 2,260.28

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Solution

The fourth proportional to 5,545.40, 8,319.06 and 2,260.28 is: 3,390.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.40 : 8,319.06 = 2,260.28 : x
  2. Step 2: Convert to fraction form
    5,545.40/8,319.06 = 2,260.28/x
  3. Step 3: Cross multiply
    5,545.40x = 8,319.06 × 2,260.28
  4. Step 4: Simplify right side
    5,545.40x = 18,803,404.94
  5. Step 5: Solve for x
    x = 18,803,404.94/5,545.40
  6. Step 6: Final answer
    x = 3,390.81

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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.