Home / 4,276.55-6,415.50-1,811.39

Finding the Fourth Proportional to 4,276.55, 6,415.50 and 1,811.39

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Solution

The fourth proportional to 4,276.55, 6,415.50 and 1,811.39 is: 2,717.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.55 : 6,415.50 = 1,811.39 : x
  2. Step 2: Convert to fraction form
    4,276.55/6,415.50 = 1,811.39/x
  3. Step 3: Cross multiply
    4,276.55x = 6,415.50 × 1,811.39
  4. Step 4: Simplify right side
    4,276.55x = 11,620,972.55
  5. Step 5: Solve for x
    x = 11,620,972.55/4,276.55
  6. Step 6: Final answer
    x = 2,717.37

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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.