Home / 4,371.72-6,557.49-1,084.78

Finding the Fourth Proportional to 4,371.72, 6,557.49 and 1,084.78

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Solution

The fourth proportional to 4,371.72, 6,557.49 and 1,084.78 is: 1,627.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,371.72 : 6,557.49 = 1,084.78 : x
  2. Step 2: Convert to fraction form
    4,371.72/6,557.49 = 1,084.78/x
  3. Step 3: Cross multiply
    4,371.72x = 6,557.49 × 1,084.78
  4. Step 4: Simplify right side
    4,371.72x = 7,113,434.00
  5. Step 5: Solve for x
    x = 7,113,434.00/4,371.72
  6. Step 6: Final answer
    x = 1,627.15

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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.