Home / 4,239.64-5,851.09-2,447.47

Finding the Fourth Proportional to 4,239.64, 5,851.09 and 2,447.47

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Solution

The fourth proportional to 4,239.64, 5,851.09 and 2,447.47 is: 3,377.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.64 : 5,851.09 = 2,447.47 : x
  2. Step 2: Convert to fraction form
    4,239.64/5,851.09 = 2,447.47/x
  3. Step 3: Cross multiply
    4,239.64x = 5,851.09 × 2,447.47
  4. Step 4: Simplify right side
    4,239.64x = 14,320,330.94
  5. Step 5: Solve for x
    x = 14,320,330.94/4,239.64
  6. Step 6: Final answer
    x = 3,377.72

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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.