Home / 5,353.75-8,033.87-2,275.75

Finding the Fourth Proportional to 5,353.75, 8,033.87 and 2,275.75

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Solution

The fourth proportional to 5,353.75, 8,033.87 and 2,275.75 is: 3,415.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.75 : 8,033.87 = 2,275.75 : x
  2. Step 2: Convert to fraction form
    5,353.75/8,033.87 = 2,275.75/x
  3. Step 3: Cross multiply
    5,353.75x = 8,033.87 × 2,275.75
  4. Step 4: Simplify right side
    5,353.75x = 18,283,079.65
  5. Step 5: Solve for x
    x = 18,283,079.65/5,353.75
  6. Step 6: Final answer
    x = 3,415.00

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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.