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Finding the Fourth Proportional to 6,063.12, 8,352.72 and 4,993.92

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Solution

The fourth proportional to 6,063.12, 8,352.72 and 4,993.92 is: 6,879.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,063.12 : 8,352.72 = 4,993.92 : x
  2. Step 2: Convert to fraction form
    6,063.12/8,352.72 = 4,993.92/x
  3. Step 3: Cross multiply
    6,063.12x = 8,352.72 × 4,993.92
  4. Step 4: Simplify right side
    6,063.12x = 41,712,815.46
  5. Step 5: Solve for x
    x = 41,712,815.46/6,063.12
  6. Step 6: Final answer
    x = 6,879.76

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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.