Home / 4,947.52-7,421.28-2,027.20

Finding the Fourth Proportional to 4,947.52, 7,421.28 and 2,027.20

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Solution

The fourth proportional to 4,947.52, 7,421.28 and 2,027.20 is: 3,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.52 : 7,421.28 = 2,027.20 : x
  2. Step 2: Convert to fraction form
    4,947.52/7,421.28 = 2,027.20/x
  3. Step 3: Cross multiply
    4,947.52x = 7,421.28 × 2,027.20
  4. Step 4: Simplify right side
    4,947.52x = 15,044,418.82
  5. Step 5: Solve for x
    x = 15,044,418.82/4,947.52
  6. Step 6: Final answer
    x = 3,040.80

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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.