Home / 8,275.54-12,401.57-4,111.43

Finding the Fourth Proportional to 8,275.54, 12,401.57 and 4,111.43

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Solution

The fourth proportional to 8,275.54, 12,401.57 and 4,111.43 is: 6,161.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.54 : 12,401.57 = 4,111.43 : x
  2. Step 2: Convert to fraction form
    8,275.54/12,401.57 = 4,111.43/x
  3. Step 3: Cross multiply
    8,275.54x = 12,401.57 × 4,111.43
  4. Step 4: Simplify right side
    8,275.54x = 50,988,186.95
  5. Step 5: Solve for x
    x = 50,988,186.95/8,275.54
  6. Step 6: Final answer
    x = 6,161.31

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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.