Home / 8,171.40-12,257.02-2,625.32

Finding the Fourth Proportional to 8,171.40, 12,257.02 and 2,625.32

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Solution

The fourth proportional to 8,171.40, 12,257.02 and 2,625.32 is: 3,937.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171.40 : 12,257.02 = 2,625.32 : x
  2. Step 2: Convert to fraction form
    8,171.40/12,257.02 = 2,625.32/x
  3. Step 3: Cross multiply
    8,171.40x = 12,257.02 × 2,625.32
  4. Step 4: Simplify right side
    8,171.40x = 32,178,599.75
  5. Step 5: Solve for x
    x = 32,178,599.75/8,171.40
  6. Step 6: Final answer
    x = 3,937.95

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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.