Home / 6,722.56-10,075.08-3,432.88

Finding the Fourth Proportional to 6,722.56, 10,075.08 and 3,432.88

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Solution

The fourth proportional to 6,722.56, 10,075.08 and 3,432.88 is: 5,144.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,722.56 : 10,075.08 = 3,432.88 : x
  2. Step 2: Convert to fraction form
    6,722.56/10,075.08 = 3,432.88/x
  3. Step 3: Cross multiply
    6,722.56x = 10,075.08 × 3,432.88
  4. Step 4: Simplify right side
    6,722.56x = 34,586,540.63
  5. Step 5: Solve for x
    x = 34,586,540.63/6,722.56
  6. Step 6: Final answer
    x = 5,144.85

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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.