Home / 6,747.81-10,122.17-4,279.23

Finding the Fourth Proportional to 6,747.81, 10,122.17 and 4,279.23

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Solution

The fourth proportional to 6,747.81, 10,122.17 and 4,279.23 is: 6,419.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.81 : 10,122.17 = 4,279.23 : x
  2. Step 2: Convert to fraction form
    6,747.81/10,122.17 = 4,279.23/x
  3. Step 3: Cross multiply
    6,747.81x = 10,122.17 × 4,279.23
  4. Step 4: Simplify right side
    6,747.81x = 43,315,072.13
  5. Step 5: Solve for x
    x = 43,315,072.13/6,747.81
  6. Step 6: Final answer
    x = 6,419.13

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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.