Home / 4,265.92-6,397.80-2,878.48

Finding the Fourth Proportional to 4,265.92, 6,397.80 and 2,878.48

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Solution

The fourth proportional to 4,265.92, 6,397.80 and 2,878.48 is: 4,316.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,265.92 : 6,397.80 = 2,878.48 : x
  2. Step 2: Convert to fraction form
    4,265.92/6,397.80 = 2,878.48/x
  3. Step 3: Cross multiply
    4,265.92x = 6,397.80 × 2,878.48
  4. Step 4: Simplify right side
    4,265.92x = 18,415,939.34
  5. Step 5: Solve for x
    x = 18,415,939.34/4,265.92
  6. Step 6: Final answer
    x = 4,316.99

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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.