Home / 5,631.22-7,768.06-3,394

Finding the Fourth Proportional to 5,631.22, 7,768.06 and 3,394

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Solution

The fourth proportional to 5,631.22, 7,768.06 and 3,394 is: 4,681.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.22 : 7,768.06 = 3,394 : x
  2. Step 2: Convert to fraction form
    5,631.22/7,768.06 = 3,394/x
  3. Step 3: Cross multiply
    5,631.22x = 7,768.06 × 3,394
  4. Step 4: Simplify right side
    5,631.22x = 26,364,795.64
  5. Step 5: Solve for x
    x = 26,364,795.64/5,631.22
  6. Step 6: Final answer
    x = 4,681.90

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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.