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Finding the Fourth Proportional to 6,379.08, 8,795.52 and 5,493.36

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Solution

The fourth proportional to 6,379.08, 8,795.52 and 5,493.36 is: 7,574.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379.08 : 8,795.52 = 5,493.36 : x
  2. Step 2: Convert to fraction form
    6,379.08/8,795.52 = 5,493.36/x
  3. Step 3: Cross multiply
    6,379.08x = 8,795.52 × 5,493.36
  4. Step 4: Simplify right side
    6,379.08x = 48,316,957.75
  5. Step 5: Solve for x
    x = 48,316,957.75/6,379.08
  6. Step 6: Final answer
    x = 7,574.28

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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.