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Finding the Fourth Proportional to 6,392.93, 8,819.08 and 5,507.19

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Solution

The fourth proportional to 6,392.93, 8,819.08 and 5,507.19 is: 7,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,392.93 : 8,819.08 = 5,507.19 : x
  2. Step 2: Convert to fraction form
    6,392.93/8,819.08 = 5,507.19/x
  3. Step 3: Cross multiply
    6,392.93x = 8,819.08 × 5,507.19
  4. Step 4: Simplify right side
    6,392.93x = 48,568,335.42
  5. Step 5: Solve for x
    x = 48,568,335.42/6,392.93
  6. Step 6: Final answer
    x = 7,597.20

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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.