Home / 6,139.26-9,209.70-3,673.62

Finding the Fourth Proportional to 6,139.26, 9,209.70 and 3,673.62

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Solution

The fourth proportional to 6,139.26, 9,209.70 and 3,673.62 is: 5,510.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139.26 : 9,209.70 = 3,673.62 : x
  2. Step 2: Convert to fraction form
    6,139.26/9,209.70 = 3,673.62/x
  3. Step 3: Cross multiply
    6,139.26x = 9,209.70 × 3,673.62
  4. Step 4: Simplify right side
    6,139.26x = 33,832,938.11
  5. Step 5: Solve for x
    x = 33,832,938.11/6,139.26
  6. Step 6: Final answer
    x = 5,510.91

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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.