Home / 7,236.77-9,988.62-4,094.78

Finding the Fourth Proportional to 7,236.77, 9,988.62 and 4,094.78

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Solution

The fourth proportional to 7,236.77, 9,988.62 and 4,094.78 is: 5,651.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236.77 : 9,988.62 = 4,094.78 : x
  2. Step 2: Convert to fraction form
    7,236.77/9,988.62 = 4,094.78/x
  3. Step 3: Cross multiply
    7,236.77x = 9,988.62 × 4,094.78
  4. Step 4: Simplify right side
    7,236.77x = 40,901,201.40
  5. Step 5: Solve for x
    x = 40,901,201.40/7,236.77
  6. Step 6: Final answer
    x = 5,651.86

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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.