Home / 5,355.56-8,031.72-1,892

Finding the Fourth Proportional to 5,355.56, 8,031.72 and 1,892

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Solution

The fourth proportional to 5,355.56, 8,031.72 and 1,892 is: 2,837.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.56 : 8,031.72 = 1,892 : x
  2. Step 2: Convert to fraction form
    5,355.56/8,031.72 = 1,892/x
  3. Step 3: Cross multiply
    5,355.56x = 8,031.72 × 1,892
  4. Step 4: Simplify right side
    5,355.56x = 15,196,014.24
  5. Step 5: Solve for x
    x = 15,196,014.24/5,355.56
  6. Step 6: Final answer
    x = 2,837.43

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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.