Home / 8,261.08-11,403.66-6,161.56

Finding the Fourth Proportional to 8,261.08, 11,403.66 and 6,161.56

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Solution

The fourth proportional to 8,261.08, 11,403.66 and 6,161.56 is: 8,505.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.08 : 11,403.66 = 6,161.56 : x
  2. Step 2: Convert to fraction form
    8,261.08/11,403.66 = 6,161.56/x
  3. Step 3: Cross multiply
    8,261.08x = 11,403.66 × 6,161.56
  4. Step 4: Simplify right side
    8,261.08x = 70,264,335.31
  5. Step 5: Solve for x
    x = 70,264,335.31/8,261.08
  6. Step 6: Final answer
    x = 8,505.47

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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.