Home / 7,217.28-10,828.80-5,754.24

Finding the Fourth Proportional to 7,217.28, 10,828.80 and 5,754.24

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Solution

The fourth proportional to 7,217.28, 10,828.80 and 5,754.24 is: 8,633.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.28 : 10,828.80 = 5,754.24 : x
  2. Step 2: Convert to fraction form
    7,217.28/10,828.80 = 5,754.24/x
  3. Step 3: Cross multiply
    7,217.28x = 10,828.80 × 5,754.24
  4. Step 4: Simplify right side
    7,217.28x = 62,311,514.11
  5. Step 5: Solve for x
    x = 62,311,514.11/7,217.28
  6. Step 6: Final answer
    x = 8,633.66

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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.