Home / 6,744.47-9,305.18-3,759.72

Finding the Fourth Proportional to 6,744.47, 9,305.18 and 3,759.72

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Solution

The fourth proportional to 6,744.47, 9,305.18 and 3,759.72 is: 5,187.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,744.47 : 9,305.18 = 3,759.72 : x
  2. Step 2: Convert to fraction form
    6,744.47/9,305.18 = 3,759.72/x
  3. Step 3: Cross multiply
    6,744.47x = 9,305.18 × 3,759.72
  4. Step 4: Simplify right side
    6,744.47x = 34,984,831.76
  5. Step 5: Solve for x
    x = 34,984,831.76/6,744.47
  6. Step 6: Final answer
    x = 5,187.19

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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.