Home / 9,045.97-13,570.91-2,805.86

Finding the Fourth Proportional to 9,045.97, 13,570.91 and 2,805.86

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Solution

The fourth proportional to 9,045.97, 13,570.91 and 2,805.86 is: 4,209.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,045.97 : 13,570.91 = 2,805.86 : x
  2. Step 2: Convert to fraction form
    9,045.97/13,570.91 = 2,805.86/x
  3. Step 3: Cross multiply
    9,045.97x = 13,570.91 × 2,805.86
  4. Step 4: Simplify right side
    9,045.97x = 38,077,991.65
  5. Step 5: Solve for x
    x = 38,077,991.65/9,045.97
  6. Step 6: Final answer
    x = 4,209.39

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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.