Home / 8,716.28-13,065.48-3,449.18

Finding the Fourth Proportional to 8,716.28, 13,065.48 and 3,449.18

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Solution

The fourth proportional to 8,716.28, 13,065.48 and 3,449.18 is: 5,170.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.28 : 13,065.48 = 3,449.18 : x
  2. Step 2: Convert to fraction form
    8,716.28/13,065.48 = 3,449.18/x
  3. Step 3: Cross multiply
    8,716.28x = 13,065.48 × 3,449.18
  4. Step 4: Simplify right side
    8,716.28x = 45,065,192.31
  5. Step 5: Solve for x
    x = 45,065,192.31/8,716.28
  6. Step 6: Final answer
    x = 5,170.23

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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.