Home / 4,280.72-5,908.48-2,792.32

Finding the Fourth Proportional to 4,280.72, 5,908.48 and 2,792.32

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Solution

The fourth proportional to 4,280.72, 5,908.48 and 2,792.32 is: 3,854.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.72 : 5,908.48 = 2,792.32 : x
  2. Step 2: Convert to fraction form
    4,280.72/5,908.48 = 2,792.32/x
  3. Step 3: Cross multiply
    4,280.72x = 5,908.48 × 2,792.32
  4. Step 4: Simplify right side
    4,280.72x = 16,498,366.87
  5. Step 5: Solve for x
    x = 16,498,366.87/4,280.72
  6. Step 6: Final answer
    x = 3,854.11

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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.