Home / 10,308.96-15,464.97-4,385.79

Finding the Fourth Proportional to 10,308.96, 15,464.97 and 4,385.79

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Solution

The fourth proportional to 10,308.96, 15,464.97 and 4,385.79 is: 6,579.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,308.96 : 15,464.97 = 4,385.79 : x
  2. Step 2: Convert to fraction form
    10,308.96/15,464.97 = 4,385.79/x
  3. Step 3: Cross multiply
    10,308.96x = 15,464.97 × 4,385.79
  4. Step 4: Simplify right side
    10,308.96x = 67,826,110.78
  5. Step 5: Solve for x
    x = 67,826,110.78/10,308.96
  6. Step 6: Final answer
    x = 6,579.34

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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.