Home / 5,651.59-8,479.91-2,189.11

Finding the Fourth Proportional to 5,651.59, 8,479.91 and 2,189.11

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Solution

The fourth proportional to 5,651.59, 8,479.91 and 2,189.11 is: 3,284.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,651.59 : 8,479.91 = 2,189.11 : x
  2. Step 2: Convert to fraction form
    5,651.59/8,479.91 = 2,189.11/x
  3. Step 3: Cross multiply
    5,651.59x = 8,479.91 × 2,189.11
  4. Step 4: Simplify right side
    5,651.59x = 18,563,455.78
  5. Step 5: Solve for x
    x = 18,563,455.78/5,651.59
  6. Step 6: Final answer
    x = 3,284.64

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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.