Home / 8,531.44-12,797.52-2,985.32

Finding the Fourth Proportional to 8,531.44, 12,797.52 and 2,985.32

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Solution

The fourth proportional to 8,531.44, 12,797.52 and 2,985.32 is: 4,478.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,531.44 : 12,797.52 = 2,985.32 : x
  2. Step 2: Convert to fraction form
    8,531.44/12,797.52 = 2,985.32/x
  3. Step 3: Cross multiply
    8,531.44x = 12,797.52 × 2,985.32
  4. Step 4: Simplify right side
    8,531.44x = 38,204,692.41
  5. Step 5: Solve for x
    x = 38,204,692.41/8,531.44
  6. Step 6: Final answer
    x = 4,478.11

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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.