Home / 10,400.10-15,605.82-4,856.04

Finding the Fourth Proportional to 10,400.10, 15,605.82 and 4,856.04

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Solution

The fourth proportional to 10,400.10, 15,605.82 and 4,856.04 is: 7,286.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400.10 : 15,605.82 = 4,856.04 : x
  2. Step 2: Convert to fraction form
    10,400.10/15,605.82 = 4,856.04/x
  3. Step 3: Cross multiply
    10,400.10x = 15,605.82 × 4,856.04
  4. Step 4: Simplify right side
    10,400.10x = 75,782,486.15
  5. Step 5: Solve for x
    x = 75,782,486.15/10,400.10
  6. Step 6: Final answer
    x = 7,286.71

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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.