Home / 5,230.76-7,218.46-2,873.05

Finding the Fourth Proportional to 5,230.76, 7,218.46 and 2,873.05

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Solution

The fourth proportional to 5,230.76, 7,218.46 and 2,873.05 is: 3,964.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.76 : 7,218.46 = 2,873.05 : x
  2. Step 2: Convert to fraction form
    5,230.76/7,218.46 = 2,873.05/x
  3. Step 3: Cross multiply
    5,230.76x = 7,218.46 × 2,873.05
  4. Step 4: Simplify right side
    5,230.76x = 20,738,989.32
  5. Step 5: Solve for x
    x = 20,738,989.32/5,230.76
  6. Step 6: Final answer
    x = 3,964.82

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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.