Home / 7,116.43-10,676.23-2,186.57

Finding the Fourth Proportional to 7,116.43, 10,676.23 and 2,186.57

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Solution

The fourth proportional to 7,116.43, 10,676.23 and 2,186.57 is: 3,280.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,116.43 : 10,676.23 = 2,186.57 : x
  2. Step 2: Convert to fraction form
    7,116.43/10,676.23 = 2,186.57/x
  3. Step 3: Cross multiply
    7,116.43x = 10,676.23 × 2,186.57
  4. Step 4: Simplify right side
    7,116.43x = 23,344,324.23
  5. Step 5: Solve for x
    x = 23,344,324.23/7,116.43
  6. Step 6: Final answer
    x = 3,280.34

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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.