Home / 7,581.32-11,372.01-3,881.53

Finding the Fourth Proportional to 7,581.32, 11,372.01 and 3,881.53

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Solution

The fourth proportional to 7,581.32, 11,372.01 and 3,881.53 is: 5,822.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.32 : 11,372.01 = 3,881.53 : x
  2. Step 2: Convert to fraction form
    7,581.32/11,372.01 = 3,881.53/x
  3. Step 3: Cross multiply
    7,581.32x = 11,372.01 × 3,881.53
  4. Step 4: Simplify right side
    7,581.32x = 44,140,797.98
  5. Step 5: Solve for x
    x = 44,140,797.98/7,581.32
  6. Step 6: Final answer
    x = 5,822.31

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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.