Home / 7,981.10-11,013.66-4,444.13

Finding the Fourth Proportional to 7,981.10, 11,013.66 and 4,444.13

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Solution

The fourth proportional to 7,981.10, 11,013.66 and 4,444.13 is: 6,132.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981.10 : 11,013.66 = 4,444.13 : x
  2. Step 2: Convert to fraction form
    7,981.10/11,013.66 = 4,444.13/x
  3. Step 3: Cross multiply
    7,981.10x = 11,013.66 × 4,444.13
  4. Step 4: Simplify right side
    7,981.10x = 48,946,081.75
  5. Step 5: Solve for x
    x = 48,946,081.75/7,981.10
  6. Step 6: Final answer
    x = 6,132.75

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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.