Home / 5,009.64-7,519.92-2,818.99

Finding the Fourth Proportional to 5,009.64, 7,519.92 and 2,818.99

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Solution

The fourth proportional to 5,009.64, 7,519.92 and 2,818.99 is: 4,231.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.64 : 7,519.92 = 2,818.99 : x
  2. Step 2: Convert to fraction form
    5,009.64/7,519.92 = 2,818.99/x
  3. Step 3: Cross multiply
    5,009.64x = 7,519.92 × 2,818.99
  4. Step 4: Simplify right side
    5,009.64x = 21,198,579.28
  5. Step 5: Solve for x
    x = 21,198,579.28/5,009.64
  6. Step 6: Final answer
    x = 4,231.56

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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.