Home / 8,530.32-12,793.80-2,687.28

Finding the Fourth Proportional to 8,530.32, 12,793.80 and 2,687.28

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Solution

The fourth proportional to 8,530.32, 12,793.80 and 2,687.28 is: 4,030.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530.32 : 12,793.80 = 2,687.28 : x
  2. Step 2: Convert to fraction form
    8,530.32/12,793.80 = 2,687.28/x
  3. Step 3: Cross multiply
    8,530.32x = 12,793.80 × 2,687.28
  4. Step 4: Simplify right side
    8,530.32x = 34,380,522.86
  5. Step 5: Solve for x
    x = 34,380,522.86/8,530.32
  6. Step 6: Final answer
    x = 4,030.39

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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.