Home / 9,186.98-13,775.40-2,860.14

Finding the Fourth Proportional to 9,186.98, 13,775.40 and 2,860.14

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Solution

The fourth proportional to 9,186.98, 13,775.40 and 2,860.14 is: 4,288.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.98 : 13,775.40 = 2,860.14 : x
  2. Step 2: Convert to fraction form
    9,186.98/13,775.40 = 2,860.14/x
  3. Step 3: Cross multiply
    9,186.98x = 13,775.40 × 2,860.14
  4. Step 4: Simplify right side
    9,186.98x = 39,399,572.56
  5. Step 5: Solve for x
    x = 39,399,572.56/9,186.98
  6. Step 6: Final answer
    x = 4,288.63

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1.5x scale

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.