Home / 7,201.98-10,784.28-6,168.62

Finding the Fourth Proportional to 7,201.98, 10,784.28 and 6,168.62

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Solution

The fourth proportional to 7,201.98, 10,784.28 and 6,168.62 is: 9,236.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,201.98 : 10,784.28 = 6,168.62 : x
  2. Step 2: Convert to fraction form
    7,201.98/10,784.28 = 6,168.62/x
  3. Step 3: Cross multiply
    7,201.98x = 10,784.28 × 6,168.62
  4. Step 4: Simplify right side
    7,201.98x = 66,524,071.37
  5. Step 5: Solve for x
    x = 66,524,071.37/7,201.98
  6. Step 6: Final answer
    x = 9,236.91

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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.