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Finding the Fourth Proportional to 6,366.42, 8,779.86 and 4,125.96

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Solution

The fourth proportional to 6,366.42, 8,779.86 and 4,125.96 is: 5,690.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,366.42 : 8,779.86 = 4,125.96 : x
  2. Step 2: Convert to fraction form
    6,366.42/8,779.86 = 4,125.96/x
  3. Step 3: Cross multiply
    6,366.42x = 8,779.86 × 4,125.96
  4. Step 4: Simplify right side
    6,366.42x = 36,225,351.17
  5. Step 5: Solve for x
    x = 36,225,351.17/6,366.42
  6. Step 6: Final answer
    x = 5,690.07

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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.