Home / 10,290.44-15,437.34-3,625.22

Finding the Fourth Proportional to 10,290.44, 15,437.34 and 3,625.22

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Solution

The fourth proportional to 10,290.44, 15,437.34 and 3,625.22 is: 5,438.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.44 : 15,437.34 = 3,625.22 : x
  2. Step 2: Convert to fraction form
    10,290.44/15,437.34 = 3,625.22/x
  3. Step 3: Cross multiply
    10,290.44x = 15,437.34 × 3,625.22
  4. Step 4: Simplify right side
    10,290.44x = 55,963,792.31
  5. Step 5: Solve for x
    x = 55,963,792.31/10,290.44
  6. Step 6: Final answer
    x = 5,438.42

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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.