Home / 6,998.28-10,499.24-3,101.76

Finding the Fourth Proportional to 6,998.28, 10,499.24 and 3,101.76

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Solution

The fourth proportional to 6,998.28, 10,499.24 and 3,101.76 is: 4,653.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,998.28 : 10,499.24 = 3,101.76 : x
  2. Step 2: Convert to fraction form
    6,998.28/10,499.24 = 3,101.76/x
  3. Step 3: Cross multiply
    6,998.28x = 10,499.24 × 3,101.76
  4. Step 4: Simplify right side
    6,998.28x = 32,566,122.66
  5. Step 5: Solve for x
    x = 32,566,122.66/6,998.28
  6. Step 6: Final answer
    x = 4,653.45

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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.