Home / 8,075.29-12,113.17-2,231.90

Finding the Fourth Proportional to 8,075.29, 12,113.17 and 2,231.90

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Solution

The fourth proportional to 8,075.29, 12,113.17 and 2,231.90 is: 3,347.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075.29 : 12,113.17 = 2,231.90 : x
  2. Step 2: Convert to fraction form
    8,075.29/12,113.17 = 2,231.90/x
  3. Step 3: Cross multiply
    8,075.29x = 12,113.17 × 2,231.90
  4. Step 4: Simplify right side
    8,075.29x = 27,035,372.96
  5. Step 5: Solve for x
    x = 27,035,372.96/8,075.29
  6. Step 6: Final answer
    x = 3,347.91

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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.