Home / 7,515.90-11,273.34-3,356.14

Finding the Fourth Proportional to 7,515.90, 11,273.34 and 3,356.14

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Solution

The fourth proportional to 7,515.90, 11,273.34 and 3,356.14 is: 5,033.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.90 : 11,273.34 = 3,356.14 : x
  2. Step 2: Convert to fraction form
    7,515.90/11,273.34 = 3,356.14/x
  3. Step 3: Cross multiply
    7,515.90x = 11,273.34 × 3,356.14
  4. Step 4: Simplify right side
    7,515.90x = 37,834,907.31
  5. Step 5: Solve for x
    x = 37,834,907.31/7,515.90
  6. Step 6: Final answer
    x = 5,033.98

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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.