Home / 7,965.80-11,941.72-3,032.16

Finding the Fourth Proportional to 7,965.80, 11,941.72 and 3,032.16

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Solution

The fourth proportional to 7,965.80, 11,941.72 and 3,032.16 is: 4,545.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965.80 : 11,941.72 = 3,032.16 : x
  2. Step 2: Convert to fraction form
    7,965.80/11,941.72 = 3,032.16/x
  3. Step 3: Cross multiply
    7,965.80x = 11,941.72 × 3,032.16
  4. Step 4: Simplify right side
    7,965.80x = 36,209,198.13
  5. Step 5: Solve for x
    x = 36,209,198.13/7,965.80
  6. Step 6: Final answer
    x = 4,545.58

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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.