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Finding the Fourth Proportional to 6,752.68, 9,319.23 and 3,920.94

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Solution

The fourth proportional to 6,752.68, 9,319.23 and 3,920.94 is: 5,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,752.68 : 9,319.23 = 3,920.94 : x
  2. Step 2: Convert to fraction form
    6,752.68/9,319.23 = 3,920.94/x
  3. Step 3: Cross multiply
    6,752.68x = 9,319.23 × 3,920.94
  4. Step 4: Simplify right side
    6,752.68x = 36,540,104.79
  5. Step 5: Solve for x
    x = 36,540,104.79/6,752.68
  6. Step 6: Final answer
    x = 5,411.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.