Home / 6,708.90-9,258.78-3,877.26

Finding the Fourth Proportional to 6,708.90, 9,258.78 and 3,877.26

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Solution

The fourth proportional to 6,708.90, 9,258.78 and 3,877.26 is: 5,350.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,708.90 : 9,258.78 = 3,877.26 : x
  2. Step 2: Convert to fraction form
    6,708.90/9,258.78 = 3,877.26/x
  3. Step 3: Cross multiply
    6,708.90x = 9,258.78 × 3,877.26
  4. Step 4: Simplify right side
    6,708.90x = 35,898,697.34
  5. Step 5: Solve for x
    x = 35,898,697.34/6,708.90
  6. Step 6: Final answer
    x = 5,350.91

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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.