Home / 7,132.14-10,698.39-1,938.06

Finding the Fourth Proportional to 7,132.14, 10,698.39 and 1,938.06

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Solution

The fourth proportional to 7,132.14, 10,698.39 and 1,938.06 is: 2,907.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132.14 : 10,698.39 = 1,938.06 : x
  2. Step 2: Convert to fraction form
    7,132.14/10,698.39 = 1,938.06/x
  3. Step 3: Cross multiply
    7,132.14x = 10,698.39 × 1,938.06
  4. Step 4: Simplify right side
    7,132.14x = 20,734,121.72
  5. Step 5: Solve for x
    x = 20,734,121.72/7,132.14
  6. Step 6: Final answer
    x = 2,907.14

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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.