Home / 6,723.06-9,277.62-3,738.78

Finding the Fourth Proportional to 6,723.06, 9,277.62 and 3,738.78

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Solution

The fourth proportional to 6,723.06, 9,277.62 and 3,738.78 is: 5,159.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,723.06 : 9,277.62 = 3,738.78 : x
  2. Step 2: Convert to fraction form
    6,723.06/9,277.62 = 3,738.78/x
  3. Step 3: Cross multiply
    6,723.06x = 9,277.62 × 3,738.78
  4. Step 4: Simplify right side
    6,723.06x = 34,686,980.10
  5. Step 5: Solve for x
    x = 34,686,980.10/6,723.06
  6. Step 6: Final answer
    x = 5,159.40

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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.