Home / 8,565.32-12,849.63-3,018.84

Finding the Fourth Proportional to 8,565.32, 12,849.63 and 3,018.84

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Solution

The fourth proportional to 8,565.32, 12,849.63 and 3,018.84 is: 4,528.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,565.32 : 12,849.63 = 3,018.84 : x
  2. Step 2: Convert to fraction form
    8,565.32/12,849.63 = 3,018.84/x
  3. Step 3: Cross multiply
    8,565.32x = 12,849.63 × 3,018.84
  4. Step 4: Simplify right side
    8,565.32x = 38,790,961.94
  5. Step 5: Solve for x
    x = 38,790,961.94/8,565.32
  6. Step 6: Final answer
    x = 4,528.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.