Home / 8,565.36-12,855.33-3,374.88

Finding the Fourth Proportional to 8,565.36, 12,855.33 and 3,374.88

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Solution

The fourth proportional to 8,565.36, 12,855.33 and 3,374.88 is: 5,065.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,565.36 : 12,855.33 = 3,374.88 : x
  2. Step 2: Convert to fraction form
    8,565.36/12,855.33 = 3,374.88/x
  3. Step 3: Cross multiply
    8,565.36x = 12,855.33 × 3,374.88
  4. Step 4: Simplify right side
    8,565.36x = 43,385,196.11
  5. Step 5: Solve for x
    x = 43,385,196.11/8,565.36
  6. Step 6: Final answer
    x = 5,065.19

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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.