Home / 9,781.08-13,497.84-5,304.94

Finding the Fourth Proportional to 9,781.08, 13,497.84 and 5,304.94

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Solution

The fourth proportional to 9,781.08, 13,497.84 and 5,304.94 is: 7,320.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,781.08 : 13,497.84 = 5,304.94 : x
  2. Step 2: Convert to fraction form
    9,781.08/13,497.84 = 5,304.94/x
  3. Step 3: Cross multiply
    9,781.08x = 13,497.84 × 5,304.94
  4. Step 4: Simplify right side
    9,781.08x = 71,605,231.33
  5. Step 5: Solve for x
    x = 71,605,231.33/9,781.08
  6. Step 6: Final answer
    x = 7,320.79

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1.5x scale

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.