Home / 9,272-12,795.90-5,294.36

Finding the Fourth Proportional to 9,272, 12,795.90 and 5,294.36

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Solution

The fourth proportional to 9,272, 12,795.90 and 5,294.36 is: 7,306.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,272 : 12,795.90 = 5,294.36 : x
  2. Step 2: Convert to fraction form
    9,272/12,795.90 = 5,294.36/x
  3. Step 3: Cross multiply
    9,272x = 12,795.90 × 5,294.36
  4. Step 4: Simplify right side
    9,272x = 67,746,101.12
  5. Step 5: Solve for x
    x = 67,746,101.12/9,272
  6. Step 6: Final answer
    x = 7,306.53

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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.