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Finding the Fourth Proportional to 6,844.84, 9,445.12 and 3,860.09

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Solution

The fourth proportional to 6,844.84, 9,445.12 and 3,860.09 is: 5,326.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,844.84 : 9,445.12 = 3,860.09 : x
  2. Step 2: Convert to fraction form
    6,844.84/9,445.12 = 3,860.09/x
  3. Step 3: Cross multiply
    6,844.84x = 9,445.12 × 3,860.09
  4. Step 4: Simplify right side
    6,844.84x = 36,459,013.26
  5. Step 5: Solve for x
    x = 36,459,013.26/6,844.84
  6. Step 6: Final answer
    x = 5,326.50

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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.