Home / 4,103.10-5,655.45-2,906.55

Finding the Fourth Proportional to 4,103.10, 5,655.45 and 2,906.55

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Solution

The fourth proportional to 4,103.10, 5,655.45 and 2,906.55 is: 4,006.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.10 : 5,655.45 = 2,906.55 : x
  2. Step 2: Convert to fraction form
    4,103.10/5,655.45 = 2,906.55/x
  3. Step 3: Cross multiply
    4,103.10x = 5,655.45 × 2,906.55
  4. Step 4: Simplify right side
    4,103.10x = 16,437,848.20
  5. Step 5: Solve for x
    x = 16,437,848.20/4,103.10
  6. Step 6: Final answer
    x = 4,006.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.