Home / 6,724.78-10,076.63-4,254.38

Finding the Fourth Proportional to 6,724.78, 10,076.63 and 4,254.38

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Solution

The fourth proportional to 6,724.78, 10,076.63 and 4,254.38 is: 6,374.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,724.78 : 10,076.63 = 4,254.38 : x
  2. Step 2: Convert to fraction form
    6,724.78/10,076.63 = 4,254.38/x
  3. Step 3: Cross multiply
    6,724.78x = 10,076.63 × 4,254.38
  4. Step 4: Simplify right side
    6,724.78x = 42,869,850.93
  5. Step 5: Solve for x
    x = 42,869,850.93/6,724.78
  6. Step 6: Final answer
    x = 6,374.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.