Home / 4,376.92-6,040.39-2,807.68

Finding the Fourth Proportional to 4,376.92, 6,040.39 and 2,807.68

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Solution

The fourth proportional to 4,376.92, 6,040.39 and 2,807.68 is: 3,874.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,376.92 : 6,040.39 = 2,807.68 : x
  2. Step 2: Convert to fraction form
    4,376.92/6,040.39 = 2,807.68/x
  3. Step 3: Cross multiply
    4,376.92x = 6,040.39 × 2,807.68
  4. Step 4: Simplify right side
    4,376.92x = 16,959,460.08
  5. Step 5: Solve for x
    x = 16,959,460.08/4,376.92
  6. Step 6: Final answer
    x = 3,874.75

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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.