Home / 5,669.60-8,504.39-2,158.79

Finding the Fourth Proportional to 5,669.60, 8,504.39 and 2,158.79

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Solution

The fourth proportional to 5,669.60, 8,504.39 and 2,158.79 is: 3,238.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,669.60 : 8,504.39 = 2,158.79 : x
  2. Step 2: Convert to fraction form
    5,669.60/8,504.39 = 2,158.79/x
  3. Step 3: Cross multiply
    5,669.60x = 8,504.39 × 2,158.79
  4. Step 4: Simplify right side
    5,669.60x = 18,359,218.75
  5. Step 5: Solve for x
    x = 18,359,218.75/5,669.60
  6. Step 6: Final answer
    x = 3,238.18

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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.