Home / 5,146.88-7,722.24-2,837.76

Finding the Fourth Proportional to 5,146.88, 7,722.24 and 2,837.76

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Solution

The fourth proportional to 5,146.88, 7,722.24 and 2,837.76 is: 4,257.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.88 : 7,722.24 = 2,837.76 : x
  2. Step 2: Convert to fraction form
    5,146.88/7,722.24 = 2,837.76/x
  3. Step 3: Cross multiply
    5,146.88x = 7,722.24 × 2,837.76
  4. Step 4: Simplify right side
    5,146.88x = 21,913,863.78
  5. Step 5: Solve for x
    x = 21,913,863.78/5,146.88
  6. Step 6: Final answer
    x = 4,257.70

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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.