Home / 5,635.10-8,440.32-2,857

Finding the Fourth Proportional to 5,635.10, 8,440.32 and 2,857

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Solution

The fourth proportional to 5,635.10, 8,440.32 and 2,857 is: 4,279.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.10 : 8,440.32 = 2,857 : x
  2. Step 2: Convert to fraction form
    5,635.10/8,440.32 = 2,857/x
  3. Step 3: Cross multiply
    5,635.10x = 8,440.32 × 2,857
  4. Step 4: Simplify right side
    5,635.10x = 24,113,994.24
  5. Step 5: Solve for x
    x = 24,113,994.24/5,635.10
  6. Step 6: Final answer
    x = 4,279.25

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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.