Home / 8,696.28-13,019.56-5,768.76

Finding the Fourth Proportional to 8,696.28, 13,019.56 and 5,768.76

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Solution

The fourth proportional to 8,696.28, 13,019.56 and 5,768.76 is: 8,636.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696.28 : 13,019.56 = 5,768.76 : x
  2. Step 2: Convert to fraction form
    8,696.28/13,019.56 = 5,768.76/x
  3. Step 3: Cross multiply
    8,696.28x = 13,019.56 × 5,768.76
  4. Step 4: Simplify right side
    8,696.28x = 75,106,716.95
  5. Step 5: Solve for x
    x = 75,106,716.95/8,696.28
  6. Step 6: Final answer
    x = 8,636.65

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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.