Home / 7,754.09-10,700.34-4,217.30

Finding the Fourth Proportional to 7,754.09, 10,700.34 and 4,217.30

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Solution

The fourth proportional to 7,754.09, 10,700.34 and 4,217.30 is: 5,819.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,754.09 : 10,700.34 = 4,217.30 : x
  2. Step 2: Convert to fraction form
    7,754.09/10,700.34 = 4,217.30/x
  3. Step 3: Cross multiply
    7,754.09x = 10,700.34 × 4,217.30
  4. Step 4: Simplify right side
    7,754.09x = 45,126,574.88
  5. Step 5: Solve for x
    x = 45,126,574.88/7,754.09
  6. Step 6: Final answer
    x = 5,819.71

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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.