Home / 4,354.96-6,531.10-1,581.28

Finding the Fourth Proportional to 4,354.96, 6,531.10 and 1,581.28

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Solution

The fourth proportional to 4,354.96, 6,531.10 and 1,581.28 is: 2,371.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,354.96 : 6,531.10 = 1,581.28 : x
  2. Step 2: Convert to fraction form
    4,354.96/6,531.10 = 1,581.28/x
  3. Step 3: Cross multiply
    4,354.96x = 6,531.10 × 1,581.28
  4. Step 4: Simplify right side
    4,354.96x = 10,327,497.81
  5. Step 5: Solve for x
    x = 10,327,497.81/4,354.96
  6. Step 6: Final answer
    x = 2,371.43

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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.