Home / 4,152.72-6,231.54-1,687.35

Finding the Fourth Proportional to 4,152.72, 6,231.54 and 1,687.35

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Solution

The fourth proportional to 4,152.72, 6,231.54 and 1,687.35 is: 2,532.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152.72 : 6,231.54 = 1,687.35 : x
  2. Step 2: Convert to fraction form
    4,152.72/6,231.54 = 1,687.35/x
  3. Step 3: Cross multiply
    4,152.72x = 6,231.54 × 1,687.35
  4. Step 4: Simplify right side
    4,152.72x = 10,514,789.02
  5. Step 5: Solve for x
    x = 10,514,789.02/4,152.72
  6. Step 6: Final answer
    x = 2,532.02

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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.