Home / 4,811.13-7,217.12-1,348.39

Finding the Fourth Proportional to 4,811.13, 7,217.12 and 1,348.39

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Solution

The fourth proportional to 4,811.13, 7,217.12 and 1,348.39 is: 2,022.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.13 : 7,217.12 = 1,348.39 : x
  2. Step 2: Convert to fraction form
    4,811.13/7,217.12 = 1,348.39/x
  3. Step 3: Cross multiply
    4,811.13x = 7,217.12 × 1,348.39
  4. Step 4: Simplify right side
    4,811.13x = 9,731,492.44
  5. Step 5: Solve for x
    x = 9,731,492.44/4,811.13
  6. Step 6: Final answer
    x = 2,022.70

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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.