Home / 4,255.71-6,387.23-1,660.47

Finding the Fourth Proportional to 4,255.71, 6,387.23 and 1,660.47

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Solution

The fourth proportional to 4,255.71, 6,387.23 and 1,660.47 is: 2,492.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.71 : 6,387.23 = 1,660.47 : x
  2. Step 2: Convert to fraction form
    4,255.71/6,387.23 = 1,660.47/x
  3. Step 3: Cross multiply
    4,255.71x = 6,387.23 × 1,660.47
  4. Step 4: Simplify right side
    4,255.71x = 10,605,803.80
  5. Step 5: Solve for x
    x = 10,605,803.80/4,255.71
  6. Step 6: Final answer
    x = 2,492.13

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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.