Home / 7,954.60-10,972.44-5,121.04

Finding the Fourth Proportional to 7,954.60, 10,972.44 and 5,121.04

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Solution

The fourth proportional to 7,954.60, 10,972.44 and 5,121.04 is: 7,063.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,954.60 : 10,972.44 = 5,121.04 : x
  2. Step 2: Convert to fraction form
    7,954.60/10,972.44 = 5,121.04/x
  3. Step 3: Cross multiply
    7,954.60x = 10,972.44 × 5,121.04
  4. Step 4: Simplify right side
    7,954.60x = 56,190,304.14
  5. Step 5: Solve for x
    x = 56,190,304.14/7,954.60
  6. Step 6: Final answer
    x = 7,063.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.