Home / 4,187.98-6,277.56-1,412.02

Finding the Fourth Proportional to 4,187.98, 6,277.56 and 1,412.02

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Solution

The fourth proportional to 4,187.98, 6,277.56 and 1,412.02 is: 2,116.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.98 : 6,277.56 = 1,412.02 : x
  2. Step 2: Convert to fraction form
    4,187.98/6,277.56 = 1,412.02/x
  3. Step 3: Cross multiply
    4,187.98x = 6,277.56 × 1,412.02
  4. Step 4: Simplify right side
    4,187.98x = 8,864,040.27
  5. Step 5: Solve for x
    x = 8,864,040.27/4,187.98
  6. Step 6: Final answer
    x = 2,116.54

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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.