Home / 5,399.43-8,101.38-2,586.84

Finding the Fourth Proportional to 5,399.43, 8,101.38 and 2,586.84

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Solution

The fourth proportional to 5,399.43, 8,101.38 and 2,586.84 is: 3,881.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.43 : 8,101.38 = 2,586.84 : x
  2. Step 2: Convert to fraction form
    5,399.43/8,101.38 = 2,586.84/x
  3. Step 3: Cross multiply
    5,399.43x = 8,101.38 × 2,586.84
  4. Step 4: Simplify right side
    5,399.43x = 20,956,920.40
  5. Step 5: Solve for x
    x = 20,956,920.40/5,399.43
  6. Step 6: Final answer
    x = 3,881.32

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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.