Home / 5,207.12-7,811.82-2,432.28

Finding the Fourth Proportional to 5,207.12, 7,811.82 and 2,432.28

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Solution

The fourth proportional to 5,207.12, 7,811.82 and 2,432.28 is: 3,648.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.12 : 7,811.82 = 2,432.28 : x
  2. Step 2: Convert to fraction form
    5,207.12/7,811.82 = 2,432.28/x
  3. Step 3: Cross multiply
    5,207.12x = 7,811.82 × 2,432.28
  4. Step 4: Simplify right side
    5,207.12x = 19,000,533.55
  5. Step 5: Solve for x
    x = 19,000,533.55/5,207.12
  6. Step 6: Final answer
    x = 3,648.95

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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.