Home / 6,258.17-8,635.69-3,739.78

Finding the Fourth Proportional to 6,258.17, 8,635.69 and 3,739.78

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Solution

The fourth proportional to 6,258.17, 8,635.69 and 3,739.78 is: 5,160.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,258.17 : 8,635.69 = 3,739.78 : x
  2. Step 2: Convert to fraction form
    6,258.17/8,635.69 = 3,739.78/x
  3. Step 3: Cross multiply
    6,258.17x = 8,635.69 × 3,739.78
  4. Step 4: Simplify right side
    6,258.17x = 32,295,580.75
  5. Step 5: Solve for x
    x = 32,295,580.75/6,258.17
  6. Step 6: Final answer
    x = 5,160.55

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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.