Home / 6,781.36-10,166.10-3,492.76

Finding the Fourth Proportional to 6,781.36, 10,166.10 and 3,492.76

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Solution

The fourth proportional to 6,781.36, 10,166.10 and 3,492.76 is: 5,236.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.36 : 10,166.10 = 3,492.76 : x
  2. Step 2: Convert to fraction form
    6,781.36/10,166.10 = 3,492.76/x
  3. Step 3: Cross multiply
    6,781.36x = 10,166.10 × 3,492.76
  4. Step 4: Simplify right side
    6,781.36x = 35,507,747.44
  5. Step 5: Solve for x
    x = 35,507,747.44/6,781.36
  6. Step 6: Final answer
    x = 5,236.08

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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.