Home / 10,254.03-15,380.82-2,858.29

Finding the Fourth Proportional to 10,254.03, 15,380.82 and 2,858.29

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Solution

The fourth proportional to 10,254.03, 15,380.82 and 2,858.29 is: 4,287.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,254.03 : 15,380.82 = 2,858.29 : x
  2. Step 2: Convert to fraction form
    10,254.03/15,380.82 = 2,858.29/x
  3. Step 3: Cross multiply
    10,254.03x = 15,380.82 × 2,858.29
  4. Step 4: Simplify right side
    10,254.03x = 43,962,805.55
  5. Step 5: Solve for x
    x = 43,962,805.55/10,254.03
  6. Step 6: Final answer
    x = 4,287.37

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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.