Home / 4,187.07-6,276.22-1,412.78

Finding the Fourth Proportional to 4,187.07, 6,276.22 and 1,412.78

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Solution

The fourth proportional to 4,187.07, 6,276.22 and 1,412.78 is: 2,117.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.07 : 6,276.22 = 1,412.78 : x
  2. Step 2: Convert to fraction form
    4,187.07/6,276.22 = 1,412.78/x
  3. Step 3: Cross multiply
    4,187.07x = 6,276.22 × 1,412.78
  4. Step 4: Simplify right side
    4,187.07x = 8,866,883.18
  5. Step 5: Solve for x
    x = 8,866,883.18/4,187.07
  6. Step 6: Final answer
    x = 2,117.68

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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.