Home / 4,370.11-6,528.15-3,930.66

Finding the Fourth Proportional to 4,370.11, 6,528.15 and 3,930.66

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Solution

The fourth proportional to 4,370.11, 6,528.15 and 3,930.66 is: 5,871.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,370.11 : 6,528.15 = 3,930.66 : x
  2. Step 2: Convert to fraction form
    4,370.11/6,528.15 = 3,930.66/x
  3. Step 3: Cross multiply
    4,370.11x = 6,528.15 × 3,930.66
  4. Step 4: Simplify right side
    4,370.11x = 25,659,938.08
  5. Step 5: Solve for x
    x = 25,659,938.08/4,370.11
  6. Step 6: Final answer
    x = 5,871.69

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.