Home / 4,188.66-6,282.87-1,415.31

Finding the Fourth Proportional to 4,188.66, 6,282.87 and 1,415.31

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Solution

The fourth proportional to 4,188.66, 6,282.87 and 1,415.31 is: 2,122.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.66 : 6,282.87 = 1,415.31 : x
  2. Step 2: Convert to fraction form
    4,188.66/6,282.87 = 1,415.31/x
  3. Step 3: Cross multiply
    4,188.66x = 6,282.87 × 1,415.31
  4. Step 4: Simplify right side
    4,188.66x = 8,892,208.74
  5. Step 5: Solve for x
    x = 8,892,208.74/4,188.66
  6. Step 6: Final answer
    x = 2,122.92

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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.