Home / 8,758.45-13,132.38-3,494.26

Finding the Fourth Proportional to 8,758.45, 13,132.38 and 3,494.26

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Solution

The fourth proportional to 8,758.45, 13,132.38 and 3,494.26 is: 5,239.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758.45 : 13,132.38 = 3,494.26 : x
  2. Step 2: Convert to fraction form
    8,758.45/13,132.38 = 3,494.26/x
  3. Step 3: Cross multiply
    8,758.45x = 13,132.38 × 3,494.26
  4. Step 4: Simplify right side
    8,758.45x = 45,887,950.14
  5. Step 5: Solve for x
    x = 45,887,950.14/8,758.45
  6. Step 6: Final answer
    x = 5,239.28

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1.5x scale

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.