Home / 9,304.82-12,840.64-5,325.84

Finding the Fourth Proportional to 9,304.82, 12,840.64 and 5,325.84

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Solution

The fourth proportional to 9,304.82, 12,840.64 and 5,325.84 is: 7,349.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,304.82 : 12,840.64 = 5,325.84 : x
  2. Step 2: Convert to fraction form
    9,304.82/12,840.64 = 5,325.84/x
  3. Step 3: Cross multiply
    9,304.82x = 12,840.64 × 5,325.84
  4. Step 4: Simplify right side
    9,304.82x = 68,387,194.14
  5. Step 5: Solve for x
    x = 68,387,194.14/9,304.82
  6. Step 6: Final answer
    x = 7,349.65

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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.