Home / 5,380.32-8,071.92-2,094.36

Finding the Fourth Proportional to 5,380.32, 8,071.92 and 2,094.36

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Solution

The fourth proportional to 5,380.32, 8,071.92 and 2,094.36 is: 3,142.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.32 : 8,071.92 = 2,094.36 : x
  2. Step 2: Convert to fraction form
    5,380.32/8,071.92 = 2,094.36/x
  3. Step 3: Cross multiply
    5,380.32x = 8,071.92 × 2,094.36
  4. Step 4: Simplify right side
    5,380.32x = 16,905,506.37
  5. Step 5: Solve for x
    x = 16,905,506.37/5,380.32
  6. Step 6: Final answer
    x = 3,142.10

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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.