Home / 8,564.70-12,848.88-3,636.66

Finding the Fourth Proportional to 8,564.70, 12,848.88 and 3,636.66

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Solution

The fourth proportional to 8,564.70, 12,848.88 and 3,636.66 is: 5,455.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,564.70 : 12,848.88 = 3,636.66 : x
  2. Step 2: Convert to fraction form
    8,564.70/12,848.88 = 3,636.66/x
  3. Step 3: Cross multiply
    8,564.70x = 12,848.88 × 3,636.66
  4. Step 4: Simplify right side
    8,564.70x = 46,727,007.94
  5. Step 5: Solve for x
    x = 46,727,007.94/8,564.70
  6. Step 6: Final answer
    x = 5,455.77

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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.