Home / 7,116.38-10,674.56-1,922.25

Finding the Fourth Proportional to 7,116.38, 10,674.56 and 1,922.25

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Solution

The fourth proportional to 7,116.38, 10,674.56 and 1,922.25 is: 2,883.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,116.38 : 10,674.56 = 1,922.25 : x
  2. Step 2: Convert to fraction form
    7,116.38/10,674.56 = 1,922.25/x
  3. Step 3: Cross multiply
    7,116.38x = 10,674.56 × 1,922.25
  4. Step 4: Simplify right side
    7,116.38x = 20,519,177.77
  5. Step 5: Solve for x
    x = 20,519,177.77/7,116.38
  6. Step 6: Final answer
    x = 2,883.38

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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.