Home / 7,981.18-11,013.69-4,444.30

Finding the Fourth Proportional to 7,981.18, 11,013.69 and 4,444.30

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Solution

The fourth proportional to 7,981.18, 11,013.69 and 4,444.30 is: 6,132.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981.18 : 11,013.69 = 4,444.30 : x
  2. Step 2: Convert to fraction form
    7,981.18/11,013.69 = 4,444.30/x
  3. Step 3: Cross multiply
    7,981.18x = 11,013.69 × 4,444.30
  4. Step 4: Simplify right side
    7,981.18x = 48,948,142.47
  5. Step 5: Solve for x
    x = 48,948,142.47/7,981.18
  6. Step 6: Final answer
    x = 6,132.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.