Home / 5,612.74-8,416.38-2,103.28

Finding the Fourth Proportional to 5,612.74, 8,416.38 and 2,103.28

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Solution

The fourth proportional to 5,612.74, 8,416.38 and 2,103.28 is: 3,153.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.74 : 8,416.38 = 2,103.28 : x
  2. Step 2: Convert to fraction form
    5,612.74/8,416.38 = 2,103.28/x
  3. Step 3: Cross multiply
    5,612.74x = 8,416.38 × 2,103.28
  4. Step 4: Simplify right side
    5,612.74x = 17,702,003.73
  5. Step 5: Solve for x
    x = 17,702,003.73/5,612.74
  6. Step 6: Final answer
    x = 3,153.90

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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.