Home / 4,240.89-6,362.15-1,319.09

Finding the Fourth Proportional to 4,240.89, 6,362.15 and 1,319.09

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Solution

The fourth proportional to 4,240.89, 6,362.15 and 1,319.09 is: 1,978.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,240.89 : 6,362.15 = 1,319.09 : x
  2. Step 2: Convert to fraction form
    4,240.89/6,362.15 = 1,319.09/x
  3. Step 3: Cross multiply
    4,240.89x = 6,362.15 × 1,319.09
  4. Step 4: Simplify right side
    4,240.89x = 8,392,210.04
  5. Step 5: Solve for x
    x = 8,392,210.04/4,240.89
  6. Step 6: Final answer
    x = 1,978.88

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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.