Home / 4,947.85-7,422.26-1,437.89

Finding the Fourth Proportional to 4,947.85, 7,422.26 and 1,437.89

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Solution

The fourth proportional to 4,947.85, 7,422.26 and 1,437.89 is: 2,156.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.85 : 7,422.26 = 1,437.89 : x
  2. Step 2: Convert to fraction form
    4,947.85/7,422.26 = 1,437.89/x
  3. Step 3: Cross multiply
    4,947.85x = 7,422.26 × 1,437.89
  4. Step 4: Simplify right side
    4,947.85x = 10,672,354.52
  5. Step 5: Solve for x
    x = 10,672,354.52/4,947.85
  6. Step 6: Final answer
    x = 2,156.97

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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.