Home / 6,992.28-10,479.20-3,289.46

Finding the Fourth Proportional to 6,992.28, 10,479.20 and 3,289.46

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Solution

The fourth proportional to 6,992.28, 10,479.20 and 3,289.46 is: 4,929.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,992.28 : 10,479.20 = 3,289.46 : x
  2. Step 2: Convert to fraction form
    6,992.28/10,479.20 = 3,289.46/x
  3. Step 3: Cross multiply
    6,992.28x = 10,479.20 × 3,289.46
  4. Step 4: Simplify right side
    6,992.28x = 34,470,909.23
  5. Step 5: Solve for x
    x = 34,470,909.23/6,992.28
  6. Step 6: Final answer
    x = 4,929.85

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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.