Home / 8,565.84-11,821.12-4,788.88

Finding the Fourth Proportional to 8,565.84, 11,821.12 and 4,788.88

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Solution

The fourth proportional to 8,565.84, 11,821.12 and 4,788.88 is: 6,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,565.84 : 11,821.12 = 4,788.88 : x
  2. Step 2: Convert to fraction form
    8,565.84/11,821.12 = 4,788.88/x
  3. Step 3: Cross multiply
    8,565.84x = 11,821.12 × 4,788.88
  4. Step 4: Simplify right side
    8,565.84x = 56,609,883.62
  5. Step 5: Solve for x
    x = 56,609,883.62/8,565.84
  6. Step 6: Final answer
    x = 6,608.80

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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.