Home / 4,103.80-6,156.10-1,913.15

Finding the Fourth Proportional to 4,103.80, 6,156.10 and 1,913.15

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Solution

The fourth proportional to 4,103.80, 6,156.10 and 1,913.15 is: 2,869.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.80 : 6,156.10 = 1,913.15 : x
  2. Step 2: Convert to fraction form
    4,103.80/6,156.10 = 1,913.15/x
  3. Step 3: Cross multiply
    4,103.80x = 6,156.10 × 1,913.15
  4. Step 4: Simplify right side
    4,103.80x = 11,777,560.50
  5. Step 5: Solve for x
    x = 11,777,560.50/4,103.80
  6. Step 6: Final answer
    x = 2,869.92

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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.