Home / 6,728.81-9,285.30-3,744.56

Finding the Fourth Proportional to 6,728.81, 9,285.30 and 3,744.56

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Solution

The fourth proportional to 6,728.81, 9,285.30 and 3,744.56 is: 5,167.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,728.81 : 9,285.30 = 3,744.56 : x
  2. Step 2: Convert to fraction form
    6,728.81/9,285.30 = 3,744.56/x
  3. Step 3: Cross multiply
    6,728.81x = 9,285.30 × 3,744.56
  4. Step 4: Simplify right side
    6,728.81x = 34,769,386.18
  5. Step 5: Solve for x
    x = 34,769,386.18/6,728.81
  6. Step 6: Final answer
    x = 5,167.25

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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.