Home / 8,585.44-12,876.64-3,904.35

Finding the Fourth Proportional to 8,585.44, 12,876.64 and 3,904.35

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Solution

The fourth proportional to 8,585.44, 12,876.64 and 3,904.35 is: 5,855.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,585.44 : 12,876.64 = 3,904.35 : x
  2. Step 2: Convert to fraction form
    8,585.44/12,876.64 = 3,904.35/x
  3. Step 3: Cross multiply
    8,585.44x = 12,876.64 × 3,904.35
  4. Step 4: Simplify right side
    8,585.44x = 50,274,851.34
  5. Step 5: Solve for x
    x = 50,274,851.34/8,585.44
  6. Step 6: Final answer
    x = 5,855.83

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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.