Home / 8,748.64-13,120.62-5,974.84

Finding the Fourth Proportional to 8,748.64, 13,120.62 and 5,974.84

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Solution

The fourth proportional to 8,748.64, 13,120.62 and 5,974.84 is: 8,960.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.64 : 13,120.62 = 5,974.84 : x
  2. Step 2: Convert to fraction form
    8,748.64/13,120.62 = 5,974.84/x
  3. Step 3: Cross multiply
    8,748.64x = 13,120.62 × 5,974.84
  4. Step 4: Simplify right side
    8,748.64x = 78,393,605.20
  5. Step 5: Solve for x
    x = 78,393,605.20/8,748.64
  6. Step 6: Final answer
    x = 8,960.66

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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.