Home / 4,188.83-6,284.71-2,788.87

Finding the Fourth Proportional to 4,188.83, 6,284.71 and 2,788.87

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Solution

The fourth proportional to 4,188.83, 6,284.71 and 2,788.87 is: 4,184.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.83 : 6,284.71 = 2,788.87 : x
  2. Step 2: Convert to fraction form
    4,188.83/6,284.71 = 2,788.87/x
  3. Step 3: Cross multiply
    4,188.83x = 6,284.71 × 2,788.87
  4. Step 4: Simplify right side
    4,188.83x = 17,527,240.72
  5. Step 5: Solve for x
    x = 17,527,240.72/4,188.83
  6. Step 6: Final answer
    x = 4,184.28

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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.