Home / 4,235.28-6,355.88-2,851.24

Finding the Fourth Proportional to 4,235.28, 6,355.88 and 2,851.24

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Solution

The fourth proportional to 4,235.28, 6,355.88 and 2,851.24 is: 4,278.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,235.28 : 6,355.88 = 2,851.24 : x
  2. Step 2: Convert to fraction form
    4,235.28/6,355.88 = 2,851.24/x
  3. Step 3: Cross multiply
    4,235.28x = 6,355.88 × 2,851.24
  4. Step 4: Simplify right side
    4,235.28x = 18,122,139.29
  5. Step 5: Solve for x
    x = 18,122,139.29/4,235.28
  6. Step 6: Final answer
    x = 4,278.85

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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.