Home / 4,239.17-5,847.72-2,979.71

Finding the Fourth Proportional to 4,239.17, 5,847.72 and 2,979.71

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Solution

The fourth proportional to 4,239.17, 5,847.72 and 2,979.71 is: 4,110.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.17 : 5,847.72 = 2,979.71 : x
  2. Step 2: Convert to fraction form
    4,239.17/5,847.72 = 2,979.71/x
  3. Step 3: Cross multiply
    4,239.17x = 5,847.72 × 2,979.71
  4. Step 4: Simplify right side
    4,239.17x = 17,424,509.76
  5. Step 5: Solve for x
    x = 17,424,509.76/4,239.17
  6. Step 6: Final answer
    x = 4,110.36

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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.