Home / 7,229.21-10,844.53-1,964.30

Finding the Fourth Proportional to 7,229.21, 10,844.53 and 1,964.30

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Solution

The fourth proportional to 7,229.21, 10,844.53 and 1,964.30 is: 2,946.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,229.21 : 10,844.53 = 1,964.30 : x
  2. Step 2: Convert to fraction form
    7,229.21/10,844.53 = 1,964.30/x
  3. Step 3: Cross multiply
    7,229.21x = 10,844.53 × 1,964.30
  4. Step 4: Simplify right side
    7,229.21x = 21,301,910.28
  5. Step 5: Solve for x
    x = 21,301,910.28/7,229.21
  6. Step 6: Final answer
    x = 2,946.64

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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.