Home / 8,715.66-13,075.11-3,525.18

Finding the Fourth Proportional to 8,715.66, 13,075.11 and 3,525.18

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Solution

The fourth proportional to 8,715.66, 13,075.11 and 3,525.18 is: 5,288.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,715.66 : 13,075.11 = 3,525.18 : x
  2. Step 2: Convert to fraction form
    8,715.66/13,075.11 = 3,525.18/x
  3. Step 3: Cross multiply
    8,715.66x = 13,075.11 × 3,525.18
  4. Step 4: Simplify right side
    8,715.66x = 46,092,116.27
  5. Step 5: Solve for x
    x = 46,092,116.27/8,715.66
  6. Step 6: Final answer
    x = 5,288.43

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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.