Home / 7,754.24-10,700.40-4,217.42

Finding the Fourth Proportional to 7,754.24, 10,700.40 and 4,217.42

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Solution

The fourth proportional to 7,754.24, 10,700.40 and 4,217.42 is: 5,819.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,754.24 : 10,700.40 = 4,217.42 : x
  2. Step 2: Convert to fraction form
    7,754.24/10,700.40 = 4,217.42/x
  3. Step 3: Cross multiply
    7,754.24x = 10,700.40 × 4,217.42
  4. Step 4: Simplify right side
    7,754.24x = 45,128,080.97
  5. Step 5: Solve for x
    x = 45,128,080.97/7,754.24
  6. Step 6: Final answer
    x = 5,819.79

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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.