Home / 7,750.27-10,694.92-4,213.45

Finding the Fourth Proportional to 7,750.27, 10,694.92 and 4,213.45

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Solution

The fourth proportional to 7,750.27, 10,694.92 and 4,213.45 is: 5,814.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750.27 : 10,694.92 = 4,213.45 : x
  2. Step 2: Convert to fraction form
    7,750.27/10,694.92 = 4,213.45/x
  3. Step 3: Cross multiply
    7,750.27x = 10,694.92 × 4,213.45
  4. Step 4: Simplify right side
    7,750.27x = 45,062,462.87
  5. Step 5: Solve for x
    x = 45,062,462.87/7,750.27
  6. Step 6: Final answer
    x = 5,814.31

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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.