Home / 4,206.28-6,310.18-1,432.80

Finding the Fourth Proportional to 4,206.28, 6,310.18 and 1,432.80

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Solution

The fourth proportional to 4,206.28, 6,310.18 and 1,432.80 is: 2,149.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,206.28 : 6,310.18 = 1,432.80 : x
  2. Step 2: Convert to fraction form
    4,206.28/6,310.18 = 1,432.80/x
  3. Step 3: Cross multiply
    4,206.28x = 6,310.18 × 1,432.80
  4. Step 4: Simplify right side
    4,206.28x = 9,041,225.90
  5. Step 5: Solve for x
    x = 9,041,225.90/4,206.28
  6. Step 6: Final answer
    x = 2,149.46

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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.