Home / 7,199.40-10,802.24-2,522.78

Finding the Fourth Proportional to 7,199.40, 10,802.24 and 2,522.78

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Solution

The fourth proportional to 7,199.40, 10,802.24 and 2,522.78 is: 3,785.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199.40 : 10,802.24 = 2,522.78 : x
  2. Step 2: Convert to fraction form
    7,199.40/10,802.24 = 2,522.78/x
  3. Step 3: Cross multiply
    7,199.40x = 10,802.24 × 2,522.78
  4. Step 4: Simplify right side
    7,199.40x = 27,251,608.40
  5. Step 5: Solve for x
    x = 27,251,608.40/7,199.40
  6. Step 6: Final answer
    x = 3,785.26

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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.