Home / 6,139.31-9,209.56-2,440.71

Finding the Fourth Proportional to 6,139.31, 9,209.56 and 2,440.71

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Solution

The fourth proportional to 6,139.31, 9,209.56 and 2,440.71 is: 3,661.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139.31 : 9,209.56 = 2,440.71 : x
  2. Step 2: Convert to fraction form
    6,139.31/9,209.56 = 2,440.71/x
  3. Step 3: Cross multiply
    6,139.31x = 9,209.56 × 2,440.71
  4. Step 4: Simplify right side
    6,139.31x = 22,477,882.11
  5. Step 5: Solve for x
    x = 22,477,882.11/6,139.31
  6. Step 6: Final answer
    x = 3,661.31

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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.