Home / 4,187.15-6,281.31-1,414.62

Finding the Fourth Proportional to 4,187.15, 6,281.31 and 1,414.62

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Solution

The fourth proportional to 4,187.15, 6,281.31 and 1,414.62 is: 2,122.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.15 : 6,281.31 = 1,414.62 : x
  2. Step 2: Convert to fraction form
    4,187.15/6,281.31 = 1,414.62/x
  3. Step 3: Cross multiply
    4,187.15x = 6,281.31 × 1,414.62
  4. Step 4: Simplify right side
    4,187.15x = 8,885,666.75
  5. Step 5: Solve for x
    x = 8,885,666.75/4,187.15
  6. Step 6: Final answer
    x = 2,122.13

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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.