Home / 5,690.43-8,535.65-2,225.25

Finding the Fourth Proportional to 5,690.43, 8,535.65 and 2,225.25

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Solution

The fourth proportional to 5,690.43, 8,535.65 and 2,225.25 is: 3,337.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690.43 : 8,535.65 = 2,225.25 : x
  2. Step 2: Convert to fraction form
    5,690.43/8,535.65 = 2,225.25/x
  3. Step 3: Cross multiply
    5,690.43x = 8,535.65 × 2,225.25
  4. Step 4: Simplify right side
    5,690.43x = 18,993,944.04
  5. Step 5: Solve for x
    x = 18,993,944.04/5,690.43
  6. Step 6: Final answer
    x = 3,337.88

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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.