Home / 7,013.28-10,519.11-1,819.02

Finding the Fourth Proportional to 7,013.28, 10,519.11 and 1,819.02

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Solution

The fourth proportional to 7,013.28, 10,519.11 and 1,819.02 is: 2,728.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013.28 : 10,519.11 = 1,819.02 : x
  2. Step 2: Convert to fraction form
    7,013.28/10,519.11 = 1,819.02/x
  3. Step 3: Cross multiply
    7,013.28x = 10,519.11 × 1,819.02
  4. Step 4: Simplify right side
    7,013.28x = 19,134,471.47
  5. Step 5: Solve for x
    x = 19,134,471.47/7,013.28
  6. Step 6: Final answer
    x = 2,728.32

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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.