Home / 4,326.78-5,971.58-2,647.90

Finding the Fourth Proportional to 4,326.78, 5,971.58 and 2,647.90

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Solution

The fourth proportional to 4,326.78, 5,971.58 and 2,647.90 is: 3,654.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,326.78 : 5,971.58 = 2,647.90 : x
  2. Step 2: Convert to fraction form
    4,326.78/5,971.58 = 2,647.90/x
  3. Step 3: Cross multiply
    4,326.78x = 5,971.58 × 2,647.90
  4. Step 4: Simplify right side
    4,326.78x = 15,812,146.68
  5. Step 5: Solve for x
    x = 15,812,146.68/4,326.78
  6. Step 6: Final answer
    x = 3,654.48

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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.