Home / 8,076.54-12,112.77-5,729.70

Finding the Fourth Proportional to 8,076.54, 12,112.77 and 5,729.70

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Solution

The fourth proportional to 8,076.54, 12,112.77 and 5,729.70 is: 8,593.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076.54 : 12,112.77 = 5,729.70 : x
  2. Step 2: Convert to fraction form
    8,076.54/12,112.77 = 5,729.70/x
  3. Step 3: Cross multiply
    8,076.54x = 12,112.77 × 5,729.70
  4. Step 4: Simplify right side
    8,076.54x = 69,402,538.27
  5. Step 5: Solve for x
    x = 69,402,538.27/8,076.54
  6. Step 6: Final answer
    x = 8,593.10

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1.5x scale

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.