Home / 4,104.18-6,157.35-1,911.78

Finding the Fourth Proportional to 4,104.18, 6,157.35 and 1,911.78

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Solution

The fourth proportional to 4,104.18, 6,157.35 and 1,911.78 is: 2,868.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,104.18 : 6,157.35 = 1,911.78 : x
  2. Step 2: Convert to fraction form
    4,104.18/6,157.35 = 1,911.78/x
  3. Step 3: Cross multiply
    4,104.18x = 6,157.35 × 1,911.78
  4. Step 4: Simplify right side
    4,104.18x = 11,771,498.58
  5. Step 5: Solve for x
    x = 11,771,498.58/4,104.18
  6. Step 6: Final answer
    x = 2,868.17

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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.