Home / 4,377.92-6,570.81-2,187.86

Finding the Fourth Proportional to 4,377.92, 6,570.81 and 2,187.86

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Solution

The fourth proportional to 4,377.92, 6,570.81 and 2,187.86 is: 3,283.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,377.92 : 6,570.81 = 2,187.86 : x
  2. Step 2: Convert to fraction form
    4,377.92/6,570.81 = 2,187.86/x
  3. Step 3: Cross multiply
    4,377.92x = 6,570.81 × 2,187.86
  4. Step 4: Simplify right side
    4,377.92x = 14,375,979.51
  5. Step 5: Solve for x
    x = 14,375,979.51/4,377.92
  6. Step 6: Final answer
    x = 3,283.75

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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.