Home / 8,716.86-13,075.29-3,169.17

Finding the Fourth Proportional to 8,716.86, 13,075.29 and 3,169.17

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Solution

The fourth proportional to 8,716.86, 13,075.29 and 3,169.17 is: 4,753.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.86 : 13,075.29 = 3,169.17 : x
  2. Step 2: Convert to fraction form
    8,716.86/13,075.29 = 3,169.17/x
  3. Step 3: Cross multiply
    8,716.86x = 13,075.29 × 3,169.17
  4. Step 4: Simplify right side
    8,716.86x = 41,437,816.81
  5. Step 5: Solve for x
    x = 41,437,816.81/8,716.86
  6. Step 6: Final answer
    x = 4,753.76

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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.