Home / 7,268.78-10,894.38-3,314.63

Finding the Fourth Proportional to 7,268.78, 10,894.38 and 3,314.63

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Solution

The fourth proportional to 7,268.78, 10,894.38 and 3,314.63 is: 4,967.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,268.78 : 10,894.38 = 3,314.63 : x
  2. Step 2: Convert to fraction form
    7,268.78/10,894.38 = 3,314.63/x
  3. Step 3: Cross multiply
    7,268.78x = 10,894.38 × 3,314.63
  4. Step 4: Simplify right side
    7,268.78x = 36,110,823.61
  5. Step 5: Solve for x
    x = 36,110,823.61/7,268.78
  6. Step 6: Final answer
    x = 4,967.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.