Home / 4,101.53-5,663.67-3,215.79

Finding the Fourth Proportional to 4,101.53, 5,663.67 and 3,215.79

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Solution

The fourth proportional to 4,101.53, 5,663.67 and 3,215.79 is: 4,440.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,101.53 : 5,663.67 = 3,215.79 : x
  2. Step 2: Convert to fraction form
    4,101.53/5,663.67 = 3,215.79/x
  3. Step 3: Cross multiply
    4,101.53x = 5,663.67 × 3,215.79
  4. Step 4: Simplify right side
    4,101.53x = 18,213,173.35
  5. Step 5: Solve for x
    x = 18,213,173.35/4,101.53
  6. Step 6: Final answer
    x = 4,440.59

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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.