Home / 8,716.20-13,066.38-3,518.52

Finding the Fourth Proportional to 8,716.20, 13,066.38 and 3,518.52

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Solution

The fourth proportional to 8,716.20, 13,066.38 and 3,518.52 is: 5,274.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.20 : 13,066.38 = 3,518.52 : x
  2. Step 2: Convert to fraction form
    8,716.20/13,066.38 = 3,518.52/x
  3. Step 3: Cross multiply
    8,716.20x = 13,066.38 × 3,518.52
  4. Step 4: Simplify right side
    8,716.20x = 45,974,319.36
  5. Step 5: Solve for x
    x = 45,974,319.36/8,716.20
  6. Step 6: Final answer
    x = 5,274.58

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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.