Home / 5,335.65-8,003.17-1,439.75

Finding the Fourth Proportional to 5,335.65, 8,003.17 and 1,439.75

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Solution

The fourth proportional to 5,335.65, 8,003.17 and 1,439.75 is: 2,159.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335.65 : 8,003.17 = 1,439.75 : x
  2. Step 2: Convert to fraction form
    5,335.65/8,003.17 = 1,439.75/x
  3. Step 3: Cross multiply
    5,335.65x = 8,003.17 × 1,439.75
  4. Step 4: Simplify right side
    5,335.65x = 11,522,564.01
  5. Step 5: Solve for x
    x = 11,522,564.01/5,335.65
  6. Step 6: Final answer
    x = 2,159.54

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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.