Home / 10,549.95-15,825.83-2,758.75

Finding the Fourth Proportional to 10,549.95, 15,825.83 and 2,758.75

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Solution

The fourth proportional to 10,549.95, 15,825.83 and 2,758.75 is: 4,138.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,549.95 : 15,825.83 = 2,758.75 : x
  2. Step 2: Convert to fraction form
    10,549.95/15,825.83 = 2,758.75/x
  3. Step 3: Cross multiply
    10,549.95x = 15,825.83 × 2,758.75
  4. Step 4: Simplify right side
    10,549.95x = 43,659,508.51
  5. Step 5: Solve for x
    x = 43,659,508.51/10,549.95
  6. Step 6: Final answer
    x = 4,138.36

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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.