Home / 4,917.39-6,785.74-2,792.87

Finding the Fourth Proportional to 4,917.39, 6,785.74 and 2,792.87

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Solution

The fourth proportional to 4,917.39, 6,785.74 and 2,792.87 is: 3,854.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.39 : 6,785.74 = 2,792.87 : x
  2. Step 2: Convert to fraction form
    4,917.39/6,785.74 = 2,792.87/x
  3. Step 3: Cross multiply
    4,917.39x = 6,785.74 × 2,792.87
  4. Step 4: Simplify right side
    4,917.39x = 18,951,641.78
  5. Step 5: Solve for x
    x = 18,951,641.78/4,917.39
  6. Step 6: Final answer
    x = 3,854.00

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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.