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Finding the Fourth Proportional to 6,522.36, 8,993.10 and 4,947.72

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Solution

The fourth proportional to 6,522.36, 8,993.10 and 4,947.72 is: 6,821.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,522.36 : 8,993.10 = 4,947.72 : x
  2. Step 2: Convert to fraction form
    6,522.36/8,993.10 = 4,947.72/x
  3. Step 3: Cross multiply
    6,522.36x = 8,993.10 × 4,947.72
  4. Step 4: Simplify right side
    6,522.36x = 44,495,340.73
  5. Step 5: Solve for x
    x = 44,495,340.73/6,522.36
  6. Step 6: Final answer
    x = 6,821.97

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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.