Home / 7,444.17-11,167.28-2,763.78

Finding the Fourth Proportional to 7,444.17, 11,167.28 and 2,763.78

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Solution

The fourth proportional to 7,444.17, 11,167.28 and 2,763.78 is: 4,146.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,444.17 : 11,167.28 = 2,763.78 : x
  2. Step 2: Convert to fraction form
    7,444.17/11,167.28 = 2,763.78/x
  3. Step 3: Cross multiply
    7,444.17x = 11,167.28 × 2,763.78
  4. Step 4: Simplify right side
    7,444.17x = 30,863,905.12
  5. Step 5: Solve for x
    x = 30,863,905.12/7,444.17
  6. Step 6: Final answer
    x = 4,146.05

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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.