Home / 4,439.78-6,128.33-2,866.66

Finding the Fourth Proportional to 4,439.78, 6,128.33 and 2,866.66

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Solution

The fourth proportional to 4,439.78, 6,128.33 and 2,866.66 is: 3,956.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,439.78 : 6,128.33 = 2,866.66 : x
  2. Step 2: Convert to fraction form
    4,439.78/6,128.33 = 2,866.66/x
  3. Step 3: Cross multiply
    4,439.78x = 6,128.33 × 2,866.66
  4. Step 4: Simplify right side
    4,439.78x = 17,567,838.48
  5. Step 5: Solve for x
    x = 17,567,838.48/4,439.78
  6. Step 6: Final answer
    x = 3,956.92

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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.