Home / 7,519.20-10,381.26-5,133.18

Finding the Fourth Proportional to 7,519.20, 10,381.26 and 5,133.18

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Solution

The fourth proportional to 7,519.20, 10,381.26 and 5,133.18 is: 7,087.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.20 : 10,381.26 = 5,133.18 : x
  2. Step 2: Convert to fraction form
    7,519.20/10,381.26 = 5,133.18/x
  3. Step 3: Cross multiply
    7,519.20x = 10,381.26 × 5,133.18
  4. Step 4: Simplify right side
    7,519.20x = 53,288,876.21
  5. Step 5: Solve for x
    x = 53,288,876.21/7,519.20
  6. Step 6: Final answer
    x = 7,087.04

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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.