Home / 7,986.89-11,032.67-7,241.69

Finding the Fourth Proportional to 7,986.89, 11,032.67 and 7,241.69

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Solution

The fourth proportional to 7,986.89, 11,032.67 and 7,241.69 is: 10,003.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986.89 : 11,032.67 = 7,241.69 : x
  2. Step 2: Convert to fraction form
    7,986.89/11,032.67 = 7,241.69/x
  3. Step 3: Cross multiply
    7,986.89x = 11,032.67 × 7,241.69
  4. Step 4: Simplify right side
    7,986.89x = 79,895,176.01
  5. Step 5: Solve for x
    x = 79,895,176.01/7,986.89
  6. Step 6: Final answer
    x = 10,003.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.