Home / 6,939.47-10,407.46-2,723.57

Finding the Fourth Proportional to 6,939.47, 10,407.46 and 2,723.57

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Solution

The fourth proportional to 6,939.47, 10,407.46 and 2,723.57 is: 4,084.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.47 : 10,407.46 = 2,723.57 : x
  2. Step 2: Convert to fraction form
    6,939.47/10,407.46 = 2,723.57/x
  3. Step 3: Cross multiply
    6,939.47x = 10,407.46 × 2,723.57
  4. Step 4: Simplify right side
    6,939.47x = 28,345,465.04
  5. Step 5: Solve for x
    x = 28,345,465.04/6,939.47
  6. Step 6: Final answer
    x = 4,084.68

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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.