Home / 4,770.40-6,583.08-2,781.04

Finding the Fourth Proportional to 4,770.40, 6,583.08 and 2,781.04

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Solution

The fourth proportional to 4,770.40, 6,583.08 and 2,781.04 is: 3,837.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.40 : 6,583.08 = 2,781.04 : x
  2. Step 2: Convert to fraction form
    4,770.40/6,583.08 = 2,781.04/x
  3. Step 3: Cross multiply
    4,770.40x = 6,583.08 × 2,781.04
  4. Step 4: Simplify right side
    4,770.40x = 18,307,808.80
  5. Step 5: Solve for x
    x = 18,307,808.80/4,770.40
  6. Step 6: Final answer
    x = 3,837.79

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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.