Home / 4,103.79-5,663.48-3,107.49

Finding the Fourth Proportional to 4,103.79, 5,663.48 and 3,107.49

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Solution

The fourth proportional to 4,103.79, 5,663.48 and 3,107.49 is: 4,288.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.79 : 5,663.48 = 3,107.49 : x
  2. Step 2: Convert to fraction form
    4,103.79/5,663.48 = 3,107.49/x
  3. Step 3: Cross multiply
    4,103.79x = 5,663.48 × 3,107.49
  4. Step 4: Simplify right side
    4,103.79x = 17,599,191.93
  5. Step 5: Solve for x
    x = 17,599,191.93/4,103.79
  6. Step 6: Final answer
    x = 4,288.52

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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.