Home / 6,715.12-10,078.98-3,597.88

Finding the Fourth Proportional to 6,715.12, 10,078.98 and 3,597.88

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Solution

The fourth proportional to 6,715.12, 10,078.98 and 3,597.88 is: 5,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,715.12 : 10,078.98 = 3,597.88 : x
  2. Step 2: Convert to fraction form
    6,715.12/10,078.98 = 3,597.88/x
  3. Step 3: Cross multiply
    6,715.12x = 10,078.98 × 3,597.88
  4. Step 4: Simplify right side
    6,715.12x = 36,262,960.56
  5. Step 5: Solve for x
    x = 36,262,960.56/6,715.12
  6. Step 6: Final answer
    x = 5,400.20

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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.