Home / 4,287.59-5,917.86-2,792.90

Finding the Fourth Proportional to 4,287.59, 5,917.86 and 2,792.90

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Solution

The fourth proportional to 4,287.59, 5,917.86 and 2,792.90 is: 3,854.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.59 : 5,917.86 = 2,792.90 : x
  2. Step 2: Convert to fraction form
    4,287.59/5,917.86 = 2,792.90/x
  3. Step 3: Cross multiply
    4,287.59x = 5,917.86 × 2,792.90
  4. Step 4: Simplify right side
    4,287.59x = 16,528,005.99
  5. Step 5: Solve for x
    x = 16,528,005.99/4,287.59
  6. Step 6: Final answer
    x = 3,854.85

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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.