Home / 4,422.78-6,631.09-1,648.70

Finding the Fourth Proportional to 4,422.78, 6,631.09 and 1,648.70

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Solution

The fourth proportional to 4,422.78, 6,631.09 and 1,648.70 is: 2,471.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,422.78 : 6,631.09 = 1,648.70 : x
  2. Step 2: Convert to fraction form
    4,422.78/6,631.09 = 1,648.70/x
  3. Step 3: Cross multiply
    4,422.78x = 6,631.09 × 1,648.70
  4. Step 4: Simplify right side
    4,422.78x = 10,932,707.61
  5. Step 5: Solve for x
    x = 10,932,707.61/4,422.78
  6. Step 6: Final answer
    x = 2,471.91

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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.