Home / 6,708.81-9,258.56-3,876.70

Finding the Fourth Proportional to 6,708.81, 9,258.56 and 3,876.70

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Solution

The fourth proportional to 6,708.81, 9,258.56 and 3,876.70 is: 5,350.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,708.81 : 9,258.56 = 3,876.70 : x
  2. Step 2: Convert to fraction form
    6,708.81/9,258.56 = 3,876.70/x
  3. Step 3: Cross multiply
    6,708.81x = 9,258.56 × 3,876.70
  4. Step 4: Simplify right side
    6,708.81x = 35,892,659.55
  5. Step 5: Solve for x
    x = 35,892,659.55/6,708.81
  6. Step 6: Final answer
    x = 5,350.08

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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.