Home / 8,087.63-12,124.22-3,156.12

Finding the Fourth Proportional to 8,087.63, 12,124.22 and 3,156.12

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Solution

The fourth proportional to 8,087.63, 12,124.22 and 3,156.12 is: 4,731.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087.63 : 12,124.22 = 3,156.12 : x
  2. Step 2: Convert to fraction form
    8,087.63/12,124.22 = 3,156.12/x
  3. Step 3: Cross multiply
    8,087.63x = 12,124.22 × 3,156.12
  4. Step 4: Simplify right side
    8,087.63x = 38,265,432.61
  5. Step 5: Solve for x
    x = 38,265,432.61/8,087.63
  6. Step 6: Final answer
    x = 4,731.36

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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.