Home / 8,127.88-12,196.98-4,432.46

Finding the Fourth Proportional to 8,127.88, 12,196.98 and 4,432.46

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Solution

The fourth proportional to 8,127.88, 12,196.98 and 4,432.46 is: 6,651.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.88 : 12,196.98 = 4,432.46 : x
  2. Step 2: Convert to fraction form
    8,127.88/12,196.98 = 4,432.46/x
  3. Step 3: Cross multiply
    8,127.88x = 12,196.98 × 4,432.46
  4. Step 4: Simplify right side
    8,127.88x = 54,062,564.99
  5. Step 5: Solve for x
    x = 54,062,564.99/8,127.88
  6. Step 6: Final answer
    x = 6,651.50

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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.