Home / 8,102.61-11,181.33-4,565.79

Finding the Fourth Proportional to 8,102.61, 11,181.33 and 4,565.79

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Solution

The fourth proportional to 8,102.61, 11,181.33 and 4,565.79 is: 6,300.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,102.61 : 11,181.33 = 4,565.79 : x
  2. Step 2: Convert to fraction form
    8,102.61/11,181.33 = 4,565.79/x
  3. Step 3: Cross multiply
    8,102.61x = 11,181.33 × 4,565.79
  4. Step 4: Simplify right side
    8,102.61x = 51,051,604.70
  5. Step 5: Solve for x
    x = 51,051,604.70/8,102.61
  6. Step 6: Final answer
    x = 6,300.64

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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.