Home / 5,581.53-8,371.65-2,947.98

Finding the Fourth Proportional to 5,581.53, 8,371.65 and 2,947.98

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Solution

The fourth proportional to 5,581.53, 8,371.65 and 2,947.98 is: 4,421.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.53 : 8,371.65 = 2,947.98 : x
  2. Step 2: Convert to fraction form
    5,581.53/8,371.65 = 2,947.98/x
  3. Step 3: Cross multiply
    5,581.53x = 8,371.65 × 2,947.98
  4. Step 4: Simplify right side
    5,581.53x = 24,679,456.77
  5. Step 5: Solve for x
    x = 24,679,456.77/5,581.53
  6. Step 6: Final answer
    x = 4,421.63

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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.