Home / 5,689.12-8,519.43-3,602.83

Finding the Fourth Proportional to 5,689.12, 8,519.43 and 3,602.83

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Solution

The fourth proportional to 5,689.12, 8,519.43 and 3,602.83 is: 5,395.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,689.12 : 8,519.43 = 3,602.83 : x
  2. Step 2: Convert to fraction form
    5,689.12/8,519.43 = 3,602.83/x
  3. Step 3: Cross multiply
    5,689.12x = 8,519.43 × 3,602.83
  4. Step 4: Simplify right side
    5,689.12x = 30,694,057.99
  5. Step 5: Solve for x
    x = 30,694,057.99/5,689.12
  6. Step 6: Final answer
    x = 5,395.22

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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.