Home / 6,152.39-9,229.45-1,991.01

Finding the Fourth Proportional to 6,152.39, 9,229.45 and 1,991.01

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Solution

The fourth proportional to 6,152.39, 9,229.45 and 1,991.01 is: 2,986.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,152.39 : 9,229.45 = 1,991.01 : x
  2. Step 2: Convert to fraction form
    6,152.39/9,229.45 = 1,991.01/x
  3. Step 3: Cross multiply
    6,152.39x = 9,229.45 × 1,991.01
  4. Step 4: Simplify right side
    6,152.39x = 18,375,927.24
  5. Step 5: Solve for x
    x = 18,375,927.24/6,152.39
  6. Step 6: Final answer
    x = 2,986.80

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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.