Home / 8,742.12-13,113.30-2,502.02

Finding the Fourth Proportional to 8,742.12, 13,113.30 and 2,502.02

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Solution

The fourth proportional to 8,742.12, 13,113.30 and 2,502.02 is: 3,753.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742.12 : 13,113.30 = 2,502.02 : x
  2. Step 2: Convert to fraction form
    8,742.12/13,113.30 = 2,502.02/x
  3. Step 3: Cross multiply
    8,742.12x = 13,113.30 × 2,502.02
  4. Step 4: Simplify right side
    8,742.12x = 32,809,673.30
  5. Step 5: Solve for x
    x = 32,809,673.30/8,742.12
  6. Step 6: Final answer
    x = 3,753.06

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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.