Home / 5,690.74-8,530.26-2,179.92

Finding the Fourth Proportional to 5,690.74, 8,530.26 and 2,179.92

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Solution

The fourth proportional to 5,690.74, 8,530.26 and 2,179.92 is: 3,267.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690.74 : 8,530.26 = 2,179.92 : x
  2. Step 2: Convert to fraction form
    5,690.74/8,530.26 = 2,179.92/x
  3. Step 3: Cross multiply
    5,690.74x = 8,530.26 × 2,179.92
  4. Step 4: Simplify right side
    5,690.74x = 18,595,284.38
  5. Step 5: Solve for x
    x = 18,595,284.38/5,690.74
  6. Step 6: Final answer
    x = 3,267.64

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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.