Home / 6,929.27-10,392.65-1,997.70

Finding the Fourth Proportional to 6,929.27, 10,392.65 and 1,997.70

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Solution

The fourth proportional to 6,929.27, 10,392.65 and 1,997.70 is: 2,996.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929.27 : 10,392.65 = 1,997.70 : x
  2. Step 2: Convert to fraction form
    6,929.27/10,392.65 = 1,997.70/x
  3. Step 3: Cross multiply
    6,929.27x = 10,392.65 × 1,997.70
  4. Step 4: Simplify right side
    6,929.27x = 20,761,344.94
  5. Step 5: Solve for x
    x = 20,761,344.94/6,929.27
  6. Step 6: Final answer
    x = 2,996.18

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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.