Home / 5,419.67-8,127.87-2,299.62

Finding the Fourth Proportional to 5,419.67, 8,127.87 and 2,299.62

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Solution

The fourth proportional to 5,419.67, 8,127.87 and 2,299.62 is: 3,448.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.67 : 8,127.87 = 2,299.62 : x
  2. Step 2: Convert to fraction form
    5,419.67/8,127.87 = 2,299.62/x
  3. Step 3: Cross multiply
    5,419.67x = 8,127.87 × 2,299.62
  4. Step 4: Simplify right side
    5,419.67x = 18,691,012.41
  5. Step 5: Solve for x
    x = 18,691,012.41/5,419.67
  6. Step 6: Final answer
    x = 3,448.74

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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.