Home / 7,274.17-10,037.82-4,129.75

Finding the Fourth Proportional to 7,274.17, 10,037.82 and 4,129.75

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Solution

The fourth proportional to 7,274.17, 10,037.82 and 4,129.75 is: 5,698.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274.17 : 10,037.82 = 4,129.75 : x
  2. Step 2: Convert to fraction form
    7,274.17/10,037.82 = 4,129.75/x
  3. Step 3: Cross multiply
    7,274.17x = 10,037.82 × 4,129.75
  4. Step 4: Simplify right side
    7,274.17x = 41,453,687.15
  5. Step 5: Solve for x
    x = 41,453,687.15/7,274.17
  6. Step 6: Final answer
    x = 5,698.75

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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.