Home / 4,363.20-6,545.52-1,440.80

Finding the Fourth Proportional to 4,363.20, 6,545.52 and 1,440.80

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Solution

The fourth proportional to 4,363.20, 6,545.52 and 1,440.80 is: 2,161.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,363.20 : 6,545.52 = 1,440.80 : x
  2. Step 2: Convert to fraction form
    4,363.20/6,545.52 = 1,440.80/x
  3. Step 3: Cross multiply
    4,363.20x = 6,545.52 × 1,440.80
  4. Step 4: Simplify right side
    4,363.20x = 9,430,785.22
  5. Step 5: Solve for x
    x = 9,430,785.22/4,363.20
  6. Step 6: Final answer
    x = 2,161.44

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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.