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Finding the Fourth Proportional to 6,711.93, 9,258.73 and 6,236.77

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Solution

The fourth proportional to 6,711.93, 9,258.73 and 6,236.77 is: 8,603.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,711.93 : 9,258.73 = 6,236.77 : x
  2. Step 2: Convert to fraction form
    6,711.93/9,258.73 = 6,236.77/x
  3. Step 3: Cross multiply
    6,711.93x = 9,258.73 × 6,236.77
  4. Step 4: Simplify right side
    6,711.93x = 57,744,600.57
  5. Step 5: Solve for x
    x = 57,744,600.57/6,711.93
  6. Step 6: Final answer
    x = 8,603.28

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Half scale
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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.