Home / 5,281.01-7,919.28-1,583.76

Finding the Fourth Proportional to 5,281.01, 7,919.28 and 1,583.76

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Solution

The fourth proportional to 5,281.01, 7,919.28 and 1,583.76 is: 2,374.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.01 : 7,919.28 = 1,583.76 : x
  2. Step 2: Convert to fraction form
    5,281.01/7,919.28 = 1,583.76/x
  3. Step 3: Cross multiply
    5,281.01x = 7,919.28 × 1,583.76
  4. Step 4: Simplify right side
    5,281.01x = 12,542,238.89
  5. Step 5: Solve for x
    x = 12,542,238.89/5,281.01
  6. Step 6: Final answer
    x = 2,374.97

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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.