Home / 4,272.75-6,411.10-1,808.14

Finding the Fourth Proportional to 4,272.75, 6,411.10 and 1,808.14

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Solution

The fourth proportional to 4,272.75, 6,411.10 and 1,808.14 is: 2,713.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.75 : 6,411.10 = 1,808.14 : x
  2. Step 2: Convert to fraction form
    4,272.75/6,411.10 = 1,808.14/x
  3. Step 3: Cross multiply
    4,272.75x = 6,411.10 × 1,808.14
  4. Step 4: Simplify right side
    4,272.75x = 11,592,166.35
  5. Step 5: Solve for x
    x = 11,592,166.35/4,272.75
  6. Step 6: Final answer
    x = 2,713.05

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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.