Home / 4,172.17-6,256.71-1,249.48

Finding the Fourth Proportional to 4,172.17, 6,256.71 and 1,249.48

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Solution

The fourth proportional to 4,172.17, 6,256.71 and 1,249.48 is: 1,873.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.17 : 6,256.71 = 1,249.48 : x
  2. Step 2: Convert to fraction form
    4,172.17/6,256.71 = 1,249.48/x
  3. Step 3: Cross multiply
    4,172.17x = 6,256.71 × 1,249.48
  4. Step 4: Simplify right side
    4,172.17x = 7,817,634.01
  5. Step 5: Solve for x
    x = 7,817,634.01/4,172.17
  6. Step 6: Final answer
    x = 1,873.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.