Home / 8,717.11-13,075.67-3,169.42

Finding the Fourth Proportional to 8,717.11, 13,075.67 and 3,169.42

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Solution

The fourth proportional to 8,717.11, 13,075.67 and 3,169.42 is: 4,754.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.11 : 13,075.67 = 3,169.42 : x
  2. Step 2: Convert to fraction form
    8,717.11/13,075.67 = 3,169.42/x
  3. Step 3: Cross multiply
    8,717.11x = 13,075.67 × 3,169.42
  4. Step 4: Simplify right side
    8,717.11x = 41,442,274.16
  5. Step 5: Solve for x
    x = 41,442,274.16/8,717.11
  6. Step 6: Final answer
    x = 4,754.13

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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.