Home / 4,392.20-6,581.10-3,657.80

Finding the Fourth Proportional to 4,392.20, 6,581.10 and 3,657.80

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Solution

The fourth proportional to 4,392.20, 6,581.10 and 3,657.80 is: 5,480.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,392.20 : 6,581.10 = 3,657.80 : x
  2. Step 2: Convert to fraction form
    4,392.20/6,581.10 = 3,657.80/x
  3. Step 3: Cross multiply
    4,392.20x = 6,581.10 × 3,657.80
  4. Step 4: Simplify right side
    4,392.20x = 24,072,347.58
  5. Step 5: Solve for x
    x = 24,072,347.58/4,392.20
  6. Step 6: Final answer
    x = 5,480.70

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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.