Home / 6,900.30-10,349.28-1,968.81

Finding the Fourth Proportional to 6,900.30, 10,349.28 and 1,968.81

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Solution

The fourth proportional to 6,900.30, 10,349.28 and 1,968.81 is: 2,952.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.30 : 10,349.28 = 1,968.81 : x
  2. Step 2: Convert to fraction form
    6,900.30/10,349.28 = 1,968.81/x
  3. Step 3: Cross multiply
    6,900.30x = 10,349.28 × 1,968.81
  4. Step 4: Simplify right side
    6,900.30x = 20,375,765.96
  5. Step 5: Solve for x
    x = 20,375,765.96/6,900.30
  6. Step 6: Final answer
    x = 2,952.88

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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.