Home / 7,981.16-11,013.68-4,444.28

Finding the Fourth Proportional to 7,981.16, 11,013.68 and 4,444.28

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Solution

The fourth proportional to 7,981.16, 11,013.68 and 4,444.28 is: 6,132.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981.16 : 11,013.68 = 4,444.28 : x
  2. Step 2: Convert to fraction form
    7,981.16/11,013.68 = 4,444.28/x
  3. Step 3: Cross multiply
    7,981.16x = 11,013.68 × 4,444.28
  4. Step 4: Simplify right side
    7,981.16x = 48,947,877.75
  5. Step 5: Solve for x
    x = 48,947,877.75/7,981.16
  6. Step 6: Final answer
    x = 6,132.93

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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.