Home / 8,390.28-12,585.02-2,466.92

Finding the Fourth Proportional to 8,390.28, 12,585.02 and 2,466.92

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Solution

The fourth proportional to 8,390.28, 12,585.02 and 2,466.92 is: 3,700.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,390.28 : 12,585.02 = 2,466.92 : x
  2. Step 2: Convert to fraction form
    8,390.28/12,585.02 = 2,466.92/x
  3. Step 3: Cross multiply
    8,390.28x = 12,585.02 × 2,466.92
  4. Step 4: Simplify right side
    8,390.28x = 31,046,289.28
  5. Step 5: Solve for x
    x = 31,046,289.28/8,390.28
  6. Step 6: Final answer
    x = 3,700.27

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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.