Home / 8,366.12-12,541.02-3,982.40

Finding the Fourth Proportional to 8,366.12, 12,541.02 and 3,982.40

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Solution

The fourth proportional to 8,366.12, 12,541.02 and 3,982.40 is: 5,969.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,366.12 : 12,541.02 = 3,982.40 : x
  2. Step 2: Convert to fraction form
    8,366.12/12,541.02 = 3,982.40/x
  3. Step 3: Cross multiply
    8,366.12x = 12,541.02 × 3,982.40
  4. Step 4: Simplify right side
    8,366.12x = 49,943,404.33
  5. Step 5: Solve for x
    x = 49,943,404.33/8,366.12
  6. Step 6: Final answer
    x = 5,969.72

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1.5x scale

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.