Home / 7,619.52-11,432.84-2,692.88

Finding the Fourth Proportional to 7,619.52, 11,432.84 and 2,692.88

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Solution

The fourth proportional to 7,619.52, 11,432.84 and 2,692.88 is: 4,040.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.52 : 11,432.84 = 2,692.88 : x
  2. Step 2: Convert to fraction form
    7,619.52/11,432.84 = 2,692.88/x
  3. Step 3: Cross multiply
    7,619.52x = 11,432.84 × 2,692.88
  4. Step 4: Simplify right side
    7,619.52x = 30,787,266.18
  5. Step 5: Solve for x
    x = 30,787,266.18/7,619.52
  6. Step 6: Final answer
    x = 4,040.58

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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.