Home / 4,187.48-6,276.81-1,411.52

Finding the Fourth Proportional to 4,187.48, 6,276.81 and 1,411.52

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Solution

The fourth proportional to 4,187.48, 6,276.81 and 1,411.52 is: 2,115.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.48 : 6,276.81 = 1,411.52 : x
  2. Step 2: Convert to fraction form
    4,187.48/6,276.81 = 1,411.52/x
  3. Step 3: Cross multiply
    4,187.48x = 6,276.81 × 1,411.52
  4. Step 4: Simplify right side
    4,187.48x = 8,859,842.85
  5. Step 5: Solve for x
    x = 8,859,842.85/4,187.48
  6. Step 6: Final answer
    x = 2,115.79

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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.