Home / 8,102.31-11,181.41-4,565.64

Finding the Fourth Proportional to 8,102.31, 11,181.41 and 4,565.64

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Solution

The fourth proportional to 8,102.31, 11,181.41 and 4,565.64 is: 6,300.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,102.31 : 11,181.41 = 4,565.64 : x
  2. Step 2: Convert to fraction form
    8,102.31/11,181.41 = 4,565.64/x
  3. Step 3: Cross multiply
    8,102.31x = 11,181.41 × 4,565.64
  4. Step 4: Simplify right side
    8,102.31x = 51,050,269.92
  5. Step 5: Solve for x
    x = 51,050,269.92/8,102.31
  6. Step 6: Final answer
    x = 6,300.71

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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.