Home / 9,045.80-13,570.64-2,805.68

Finding the Fourth Proportional to 9,045.80, 13,570.64 and 2,805.68

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Solution

The fourth proportional to 9,045.80, 13,570.64 and 2,805.68 is: 4,209.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,045.80 : 13,570.64 = 2,805.68 : x
  2. Step 2: Convert to fraction form
    9,045.80/13,570.64 = 2,805.68/x
  3. Step 3: Cross multiply
    9,045.80x = 13,570.64 × 2,805.68
  4. Step 4: Simplify right side
    9,045.80x = 38,074,791.35
  5. Step 5: Solve for x
    x = 38,074,791.35/9,045.80
  6. Step 6: Final answer
    x = 4,209.11

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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.