Home / 5,419.85-8,133.47-2,498.18

Finding the Fourth Proportional to 5,419.85, 8,133.47 and 2,498.18

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Solution

The fourth proportional to 5,419.85, 8,133.47 and 2,498.18 is: 3,748.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.85 : 8,133.47 = 2,498.18 : x
  2. Step 2: Convert to fraction form
    5,419.85/8,133.47 = 2,498.18/x
  3. Step 3: Cross multiply
    5,419.85x = 8,133.47 × 2,498.18
  4. Step 4: Simplify right side
    5,419.85x = 20,318,858.80
  5. Step 5: Solve for x
    x = 20,318,858.80/5,419.85
  6. Step 6: Final answer
    x = 3,748.97

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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.