Home / 5,476.88-8,214.60-1,581.68

Finding the Fourth Proportional to 5,476.88, 8,214.60 and 1,581.68

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Solution

The fourth proportional to 5,476.88, 8,214.60 and 1,581.68 is: 2,372.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.88 : 8,214.60 = 1,581.68 : x
  2. Step 2: Convert to fraction form
    5,476.88/8,214.60 = 1,581.68/x
  3. Step 3: Cross multiply
    5,476.88x = 8,214.60 × 1,581.68
  4. Step 4: Simplify right side
    5,476.88x = 12,992,868.53
  5. Step 5: Solve for x
    x = 12,992,868.53/5,476.88
  6. Step 6: Final answer
    x = 2,372.31

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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.