Home / 7,132.26-10,698.42-1,938.18

Finding the Fourth Proportional to 7,132.26, 10,698.42 and 1,938.18

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Solution

The fourth proportional to 7,132.26, 10,698.42 and 1,938.18 is: 2,907.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132.26 : 10,698.42 = 1,938.18 : x
  2. Step 2: Convert to fraction form
    7,132.26/10,698.42 = 1,938.18/x
  3. Step 3: Cross multiply
    7,132.26x = 10,698.42 × 1,938.18
  4. Step 4: Simplify right side
    7,132.26x = 20,735,463.68
  5. Step 5: Solve for x
    x = 20,735,463.68/7,132.26
  6. Step 6: Final answer
    x = 2,907.28

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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.