Home / 6,183.88-9,278.87-2,897.20

Finding the Fourth Proportional to 6,183.88, 9,278.87 and 2,897.20

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Solution

The fourth proportional to 6,183.88, 9,278.87 and 2,897.20 is: 4,347.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,183.88 : 9,278.87 = 2,897.20 : x
  2. Step 2: Convert to fraction form
    6,183.88/9,278.87 = 2,897.20/x
  3. Step 3: Cross multiply
    6,183.88x = 9,278.87 × 2,897.20
  4. Step 4: Simplify right side
    6,183.88x = 26,882,742.16
  5. Step 5: Solve for x
    x = 26,882,742.16/6,183.88
  6. Step 6: Final answer
    x = 4,347.23

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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.