Home / 6,723.17-9,278.15-3,738.93

Finding the Fourth Proportional to 6,723.17, 9,278.15 and 3,738.93

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Solution

The fourth proportional to 6,723.17, 9,278.15 and 3,738.93 is: 5,159.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,723.17 : 9,278.15 = 3,738.93 : x
  2. Step 2: Convert to fraction form
    6,723.17/9,278.15 = 3,738.93/x
  3. Step 3: Cross multiply
    6,723.17x = 9,278.15 × 3,738.93
  4. Step 4: Simplify right side
    6,723.17x = 34,690,334.68
  5. Step 5: Solve for x
    x = 34,690,334.68/6,723.17
  6. Step 6: Final answer
    x = 5,159.82

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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.