Home / 6,840.92-10,261.76-2,161.08

Finding the Fourth Proportional to 6,840.92, 10,261.76 and 2,161.08

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Solution

The fourth proportional to 6,840.92, 10,261.76 and 2,161.08 is: 3,241.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,840.92 : 10,261.76 = 2,161.08 : x
  2. Step 2: Convert to fraction form
    6,840.92/10,261.76 = 2,161.08/x
  3. Step 3: Cross multiply
    6,840.92x = 10,261.76 × 2,161.08
  4. Step 4: Simplify right side
    6,840.92x = 22,176,484.30
  5. Step 5: Solve for x
    x = 22,176,484.30/6,840.92
  6. Step 6: Final answer
    x = 3,241.74

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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.