Home / 6,875.80-10,310.62-1,944.28

Finding the Fourth Proportional to 6,875.80, 10,310.62 and 1,944.28

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Solution

The fourth proportional to 6,875.80, 10,310.62 and 1,944.28 is: 2,915.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.80 : 10,310.62 = 1,944.28 : x
  2. Step 2: Convert to fraction form
    6,875.80/10,310.62 = 1,944.28/x
  3. Step 3: Cross multiply
    6,875.80x = 10,310.62 × 1,944.28
  4. Step 4: Simplify right side
    6,875.80x = 20,046,732.25
  5. Step 5: Solve for x
    x = 20,046,732.25/6,875.80
  6. Step 6: Final answer
    x = 2,915.55

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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.