Home / 4,319.58-6,479.46-1,397.88

Finding the Fourth Proportional to 4,319.58, 6,479.46 and 1,397.88

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Solution

The fourth proportional to 4,319.58, 6,479.46 and 1,397.88 is: 2,096.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.58 : 6,479.46 = 1,397.88 : x
  2. Step 2: Convert to fraction form
    4,319.58/6,479.46 = 1,397.88/x
  3. Step 3: Cross multiply
    4,319.58x = 6,479.46 × 1,397.88
  4. Step 4: Simplify right side
    4,319.58x = 9,057,507.54
  5. Step 5: Solve for x
    x = 9,057,507.54/4,319.58
  6. Step 6: Final answer
    x = 2,096.85

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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.