Home / 5,336.31-8,005.28-1,872.75

Finding the Fourth Proportional to 5,336.31, 8,005.28 and 1,872.75

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Solution

The fourth proportional to 5,336.31, 8,005.28 and 1,872.75 is: 2,809.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,336.31 : 8,005.28 = 1,872.75 : x
  2. Step 2: Convert to fraction form
    5,336.31/8,005.28 = 1,872.75/x
  3. Step 3: Cross multiply
    5,336.31x = 8,005.28 × 1,872.75
  4. Step 4: Simplify right side
    5,336.31x = 14,991,878.76
  5. Step 5: Solve for x
    x = 14,991,878.76/5,336.31
  6. Step 6: Final answer
    x = 2,809.41

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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.