Home / 6,939.30-9,576.27-3,752.59

Finding the Fourth Proportional to 6,939.30, 9,576.27 and 3,752.59

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Solution

The fourth proportional to 6,939.30, 9,576.27 and 3,752.59 is: 5,178.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.30 : 9,576.27 = 3,752.59 : x
  2. Step 2: Convert to fraction form
    6,939.30/9,576.27 = 3,752.59/x
  3. Step 3: Cross multiply
    6,939.30x = 9,576.27 × 3,752.59
  4. Step 4: Simplify right side
    6,939.30x = 35,935,815.04
  5. Step 5: Solve for x
    x = 35,935,815.04/6,939.30
  6. Step 6: Final answer
    x = 5,178.59

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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.