Home / 8,805.21-13,209.98-2,565.28

Finding the Fourth Proportional to 8,805.21, 13,209.98 and 2,565.28

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Solution

The fourth proportional to 8,805.21, 13,209.98 and 2,565.28 is: 3,848.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.21 : 13,209.98 = 2,565.28 : x
  2. Step 2: Convert to fraction form
    8,805.21/13,209.98 = 2,565.28/x
  3. Step 3: Cross multiply
    8,805.21x = 13,209.98 × 2,565.28
  4. Step 4: Simplify right side
    8,805.21x = 33,887,297.49
  5. Step 5: Solve for x
    x = 33,887,297.49/8,805.21
  6. Step 6: Final answer
    x = 3,848.55

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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.