Home / 4,278.90-5,905.95-3,836.04

Finding the Fourth Proportional to 4,278.90, 5,905.95 and 3,836.04

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Solution

The fourth proportional to 4,278.90, 5,905.95 and 3,836.04 is: 5,294.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.90 : 5,905.95 = 3,836.04 : x
  2. Step 2: Convert to fraction form
    4,278.90/5,905.95 = 3,836.04/x
  3. Step 3: Cross multiply
    4,278.90x = 5,905.95 × 3,836.04
  4. Step 4: Simplify right side
    4,278.90x = 22,655,460.44
  5. Step 5: Solve for x
    x = 22,655,460.44/4,278.90
  6. Step 6: Final answer
    x = 5,294.69

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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.