Home / 5,355.23-8,031.62-2,392.11

Finding the Fourth Proportional to 5,355.23, 8,031.62 and 2,392.11

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Solution

The fourth proportional to 5,355.23, 8,031.62 and 2,392.11 is: 3,587.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.23 : 8,031.62 = 2,392.11 : x
  2. Step 2: Convert to fraction form
    5,355.23/8,031.62 = 2,392.11/x
  3. Step 3: Cross multiply
    5,355.23x = 8,031.62 × 2,392.11
  4. Step 4: Simplify right side
    5,355.23x = 19,212,524.50
  5. Step 5: Solve for x
    x = 19,212,524.50/5,355.23
  6. Step 6: Final answer
    x = 3,587.62

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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.