Home / 6,512.33-8,990.85-4,278.11

Finding the Fourth Proportional to 6,512.33, 8,990.85 and 4,278.11

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Solution

The fourth proportional to 6,512.33, 8,990.85 and 4,278.11 is: 5,906.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,512.33 : 8,990.85 = 4,278.11 : x
  2. Step 2: Convert to fraction form
    6,512.33/8,990.85 = 4,278.11/x
  3. Step 3: Cross multiply
    6,512.33x = 8,990.85 × 4,278.11
  4. Step 4: Simplify right side
    6,512.33x = 38,463,800.34
  5. Step 5: Solve for x
    x = 38,463,800.34/6,512.33
  6. Step 6: Final answer
    x = 5,906.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.