Home / 5,621.82-8,433.12-2,159.07

Finding the Fourth Proportional to 5,621.82, 8,433.12 and 2,159.07

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Solution

The fourth proportional to 5,621.82, 8,433.12 and 2,159.07 is: 3,238.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.82 : 8,433.12 = 2,159.07 : x
  2. Step 2: Convert to fraction form
    5,621.82/8,433.12 = 2,159.07/x
  3. Step 3: Cross multiply
    5,621.82x = 8,433.12 × 2,159.07
  4. Step 4: Simplify right side
    5,621.82x = 18,207,696.40
  5. Step 5: Solve for x
    x = 18,207,696.40/5,621.82
  6. Step 6: Final answer
    x = 3,238.75

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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.