Home / 8,727.40-13,091.16-2,487.48

Finding the Fourth Proportional to 8,727.40, 13,091.16 and 2,487.48

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Solution

The fourth proportional to 8,727.40, 13,091.16 and 2,487.48 is: 3,731.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,727.40 : 13,091.16 = 2,487.48 : x
  2. Step 2: Convert to fraction form
    8,727.40/13,091.16 = 2,487.48/x
  3. Step 3: Cross multiply
    8,727.40x = 13,091.16 × 2,487.48
  4. Step 4: Simplify right side
    8,727.40x = 32,563,998.68
  5. Step 5: Solve for x
    x = 32,563,998.68/8,727.40
  6. Step 6: Final answer
    x = 3,731.24

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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.