Home / 5,749.59-7,936.05-3,392.49

Finding the Fourth Proportional to 5,749.59, 7,936.05 and 3,392.49

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Solution

The fourth proportional to 5,749.59, 7,936.05 and 3,392.49 is: 4,682.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,749.59 : 7,936.05 = 3,392.49 : x
  2. Step 2: Convert to fraction form
    5,749.59/7,936.05 = 3,392.49/x
  3. Step 3: Cross multiply
    5,749.59x = 7,936.05 × 3,392.49
  4. Step 4: Simplify right side
    5,749.59x = 26,922,970.26
  5. Step 5: Solve for x
    x = 26,922,970.26/5,749.59
  6. Step 6: Final answer
    x = 4,682.59

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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.