Home / 4,311.56-6,465.72-3,397.88

Finding the Fourth Proportional to 4,311.56, 6,465.72 and 3,397.88

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Solution

The fourth proportional to 4,311.56, 6,465.72 and 3,397.88 is: 5,095.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.56 : 6,465.72 = 3,397.88 : x
  2. Step 2: Convert to fraction form
    4,311.56/6,465.72 = 3,397.88/x
  3. Step 3: Cross multiply
    4,311.56x = 6,465.72 × 3,397.88
  4. Step 4: Simplify right side
    4,311.56x = 21,969,740.67
  5. Step 5: Solve for x
    x = 21,969,740.67/4,311.56
  6. Step 6: Final answer
    x = 5,095.54

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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.