Home / 9,310.95-12,845.39-5,724.68

Finding the Fourth Proportional to 9,310.95, 12,845.39 and 5,724.68

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Solution

The fourth proportional to 9,310.95, 12,845.39 and 5,724.68 is: 7,897.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,310.95 : 12,845.39 = 5,724.68 : x
  2. Step 2: Convert to fraction form
    9,310.95/12,845.39 = 5,724.68/x
  3. Step 3: Cross multiply
    9,310.95x = 12,845.39 × 5,724.68
  4. Step 4: Simplify right side
    9,310.95x = 73,535,654.37
  5. Step 5: Solve for x
    x = 73,535,654.37/9,310.95
  6. Step 6: Final answer
    x = 7,897.76

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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.