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Finding the Fourth Proportional to 6,551.28, 9,826.92 and 5,394.60

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Solution

The fourth proportional to 6,551.28, 9,826.92 and 5,394.60 is: 8,091.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551.28 : 9,826.92 = 5,394.60 : x
  2. Step 2: Convert to fraction form
    6,551.28/9,826.92 = 5,394.60/x
  3. Step 3: Cross multiply
    6,551.28x = 9,826.92 × 5,394.60
  4. Step 4: Simplify right side
    6,551.28x = 53,012,302.63
  5. Step 5: Solve for x
    x = 53,012,302.63/6,551.28
  6. Step 6: Final answer
    x = 8,091.90

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.