Home / 4,182.40-6,270.35-1,872.28

Finding the Fourth Proportional to 4,182.40, 6,270.35 and 1,872.28

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Solution

The fourth proportional to 4,182.40, 6,270.35 and 1,872.28 is: 2,806.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,182.40 : 6,270.35 = 1,872.28 : x
  2. Step 2: Convert to fraction form
    4,182.40/6,270.35 = 1,872.28/x
  3. Step 3: Cross multiply
    4,182.40x = 6,270.35 × 1,872.28
  4. Step 4: Simplify right side
    4,182.40x = 11,739,849.37
  5. Step 5: Solve for x
    x = 11,739,849.37/4,182.40
  6. Step 6: Final answer
    x = 2,806.96

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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.