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Finding the Fourth Proportional to 8,805.68, 13,210.57 and 2,565.81

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Solution

The fourth proportional to 8,805.68, 13,210.57 and 2,565.81 is: 3,849.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.68 : 13,210.57 = 2,565.81 : x
  2. Step 2: Convert to fraction form
    8,805.68/13,210.57 = 2,565.81/x
  3. Step 3: Cross multiply
    8,805.68x = 13,210.57 × 2,565.81
  4. Step 4: Simplify right side
    8,805.68x = 33,895,746.56
  5. Step 5: Solve for x
    x = 33,895,746.56/8,805.68
  6. Step 6: Final answer
    x = 3,849.31

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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.