Home / 5,330.32-7,996.20-1,819.38

Finding the Fourth Proportional to 5,330.32, 7,996.20 and 1,819.38

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Solution

The fourth proportional to 5,330.32, 7,996.20 and 1,819.38 is: 2,729.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.32 : 7,996.20 = 1,819.38 : x
  2. Step 2: Convert to fraction form
    5,330.32/7,996.20 = 1,819.38/x
  3. Step 3: Cross multiply
    5,330.32x = 7,996.20 × 1,819.38
  4. Step 4: Simplify right side
    5,330.32x = 14,548,126.36
  5. Step 5: Solve for x
    x = 14,548,126.36/5,330.32
  6. Step 6: Final answer
    x = 2,729.32

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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.