Home / 8,759.26-13,115.40-5,465.80

Finding the Fourth Proportional to 8,759.26, 13,115.40 and 5,465.80

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Solution

The fourth proportional to 8,759.26, 13,115.40 and 5,465.80 is: 8,184.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759.26 : 13,115.40 = 5,465.80 : x
  2. Step 2: Convert to fraction form
    8,759.26/13,115.40 = 5,465.80/x
  3. Step 3: Cross multiply
    8,759.26x = 13,115.40 × 5,465.80
  4. Step 4: Simplify right side
    8,759.26x = 71,686,153.32
  5. Step 5: Solve for x
    x = 71,686,153.32/8,759.26
  6. Step 6: Final answer
    x = 8,184.04

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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.