Home / 4,811.11-7,217.54-1,479.29

Finding the Fourth Proportional to 4,811.11, 7,217.54 and 1,479.29

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Solution

The fourth proportional to 4,811.11, 7,217.54 and 1,479.29 is: 2,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.11 : 7,217.54 = 1,479.29 : x
  2. Step 2: Convert to fraction form
    4,811.11/7,217.54 = 1,479.29/x
  3. Step 3: Cross multiply
    4,811.11x = 7,217.54 × 1,479.29
  4. Step 4: Simplify right side
    4,811.11x = 10,676,834.75
  5. Step 5: Solve for x
    x = 10,676,834.75/4,811.11
  6. Step 6: Final answer
    x = 2,219.20

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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.