Home / 6,747.71-10,121.63-3,239.19

Finding the Fourth Proportional to 6,747.71, 10,121.63 and 3,239.19

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Solution

The fourth proportional to 6,747.71, 10,121.63 and 3,239.19 is: 4,858.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.71 : 10,121.63 = 3,239.19 : x
  2. Step 2: Convert to fraction form
    6,747.71/10,121.63 = 3,239.19/x
  3. Step 3: Cross multiply
    6,747.71x = 10,121.63 × 3,239.19
  4. Step 4: Simplify right side
    6,747.71x = 32,785,866.48
  5. Step 5: Solve for x
    x = 32,785,866.48/6,747.71
  6. Step 6: Final answer
    x = 4,858.82

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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.