Home / 8,675.18-13,010.09-3,127.81

Finding the Fourth Proportional to 8,675.18, 13,010.09 and 3,127.81

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Solution

The fourth proportional to 8,675.18, 13,010.09 and 3,127.81 is: 4,690.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.18 : 13,010.09 = 3,127.81 : x
  2. Step 2: Convert to fraction form
    8,675.18/13,010.09 = 3,127.81/x
  3. Step 3: Cross multiply
    8,675.18x = 13,010.09 × 3,127.81
  4. Step 4: Simplify right side
    8,675.18x = 40,693,073.96
  5. Step 5: Solve for x
    x = 40,693,073.96/8,675.18
  6. Step 6: Final answer
    x = 4,690.75

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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.