Home / 6,724.28-9,280.07-3,740.69

Finding the Fourth Proportional to 6,724.28, 9,280.07 and 3,740.69

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Solution

The fourth proportional to 6,724.28, 9,280.07 and 3,740.69 is: 5,162.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,724.28 : 9,280.07 = 3,740.69 : x
  2. Step 2: Convert to fraction form
    6,724.28/9,280.07 = 3,740.69/x
  3. Step 3: Cross multiply
    6,724.28x = 9,280.07 × 3,740.69
  4. Step 4: Simplify right side
    6,724.28x = 34,713,865.05
  5. Step 5: Solve for x
    x = 34,713,865.05/6,724.28
  6. Step 6: Final answer
    x = 5,162.47

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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.