Home / 5,419.08-8,113.94-2,816.55

Finding the Fourth Proportional to 5,419.08, 8,113.94 and 2,816.55

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Solution

The fourth proportional to 5,419.08, 8,113.94 and 2,816.55 is: 4,217.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.08 : 8,113.94 = 2,816.55 : x
  2. Step 2: Convert to fraction form
    5,419.08/8,113.94 = 2,816.55/x
  3. Step 3: Cross multiply
    5,419.08x = 8,113.94 × 2,816.55
  4. Step 4: Simplify right side
    5,419.08x = 22,853,303.62
  5. Step 5: Solve for x
    x = 22,853,303.62/5,419.08
  6. Step 6: Final answer
    x = 4,217.19

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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.