Home / 4,310.10-6,465.22-1,388.42

Finding the Fourth Proportional to 4,310.10, 6,465.22 and 1,388.42

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Solution

The fourth proportional to 4,310.10, 6,465.22 and 1,388.42 is: 2,082.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,310.10 : 6,465.22 = 1,388.42 : x
  2. Step 2: Convert to fraction form
    4,310.10/6,465.22 = 1,388.42/x
  3. Step 3: Cross multiply
    4,310.10x = 6,465.22 × 1,388.42
  4. Step 4: Simplify right side
    4,310.10x = 8,976,440.75
  5. Step 5: Solve for x
    x = 8,976,440.75/4,310.10
  6. Step 6: Final answer
    x = 2,082.65

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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.