Home / 4,288.20-6,435.72-3,679.08

Finding the Fourth Proportional to 4,288.20, 6,435.72 and 3,679.08

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Solution

The fourth proportional to 4,288.20, 6,435.72 and 3,679.08 is: 5,521.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.20 : 6,435.72 = 3,679.08 : x
  2. Step 2: Convert to fraction form
    4,288.20/6,435.72 = 3,679.08/x
  3. Step 3: Cross multiply
    4,288.20x = 6,435.72 × 3,679.08
  4. Step 4: Simplify right side
    4,288.20x = 23,677,528.74
  5. Step 5: Solve for x
    x = 23,677,528.74/4,288.20
  6. Step 6: Final answer
    x = 5,521.55

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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.