Home / 4,258.45-5,877.78-2,999.87

Finding the Fourth Proportional to 4,258.45, 5,877.78 and 2,999.87

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Solution

The fourth proportional to 4,258.45, 5,877.78 and 2,999.87 is: 4,140.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.45 : 5,877.78 = 2,999.87 : x
  2. Step 2: Convert to fraction form
    4,258.45/5,877.78 = 2,999.87/x
  3. Step 3: Cross multiply
    4,258.45x = 5,877.78 × 2,999.87
  4. Step 4: Simplify right side
    4,258.45x = 17,632,590.58
  5. Step 5: Solve for x
    x = 17,632,590.58/4,258.45
  6. Step 6: Final answer
    x = 4,140.61

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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.