Home / 5,505.30-8,257.76-1,345.33

Finding the Fourth Proportional to 5,505.30, 8,257.76 and 1,345.33

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Solution

The fourth proportional to 5,505.30, 8,257.76 and 1,345.33 is: 2,017.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.30 : 8,257.76 = 1,345.33 : x
  2. Step 2: Convert to fraction form
    5,505.30/8,257.76 = 1,345.33/x
  3. Step 3: Cross multiply
    5,505.30x = 8,257.76 × 1,345.33
  4. Step 4: Simplify right side
    5,505.30x = 11,109,382.02
  5. Step 5: Solve for x
    x = 11,109,382.02/5,505.30
  6. Step 6: Final answer
    x = 2,017.94

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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.