Home / 4,221.02-6,331.80-2,486

Finding the Fourth Proportional to 4,221.02, 6,331.80 and 2,486

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Solution

The fourth proportional to 4,221.02, 6,331.80 and 2,486 is: 3,729.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.02 : 6,331.80 = 2,486 : x
  2. Step 2: Convert to fraction form
    4,221.02/6,331.80 = 2,486/x
  3. Step 3: Cross multiply
    4,221.02x = 6,331.80 × 2,486
  4. Step 4: Simplify right side
    4,221.02x = 15,740,854.80
  5. Step 5: Solve for x
    x = 15,740,854.80/4,221.02
  6. Step 6: Final answer
    x = 3,729.16

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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.