Home / 7,116.43-10,673.19-1,921.09

Finding the Fourth Proportional to 7,116.43, 10,673.19 and 1,921.09

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Solution

The fourth proportional to 7,116.43, 10,673.19 and 1,921.09 is: 2,881.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,116.43 : 10,673.19 = 1,921.09 : x
  2. Step 2: Convert to fraction form
    7,116.43/10,673.19 = 1,921.09/x
  3. Step 3: Cross multiply
    7,116.43x = 10,673.19 × 1,921.09
  4. Step 4: Simplify right side
    7,116.43x = 20,504,158.58
  5. Step 5: Solve for x
    x = 20,504,158.58/7,116.43
  6. Step 6: Final answer
    x = 2,881.24

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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.