Home / 6,139.13-9,207.72-2,243.57

Finding the Fourth Proportional to 6,139.13, 9,207.72 and 2,243.57

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Solution

The fourth proportional to 6,139.13, 9,207.72 and 2,243.57 is: 3,364.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139.13 : 9,207.72 = 2,243.57 : x
  2. Step 2: Convert to fraction form
    6,139.13/9,207.72 = 2,243.57/x
  3. Step 3: Cross multiply
    6,139.13x = 9,207.72 × 2,243.57
  4. Step 4: Simplify right side
    6,139.13x = 20,658,118.32
  5. Step 5: Solve for x
    x = 20,658,118.32/6,139.13
  6. Step 6: Final answer
    x = 3,364.99

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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.