Home / 8,722.35-13,078.06-4,563.72

Finding the Fourth Proportional to 8,722.35, 13,078.06 and 4,563.72

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Solution

The fourth proportional to 8,722.35, 13,078.06 and 4,563.72 is: 6,842.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.35 : 13,078.06 = 4,563.72 : x
  2. Step 2: Convert to fraction form
    8,722.35/13,078.06 = 4,563.72/x
  3. Step 3: Cross multiply
    8,722.35x = 13,078.06 × 4,563.72
  4. Step 4: Simplify right side
    8,722.35x = 59,684,592.57
  5. Step 5: Solve for x
    x = 59,684,592.57/8,722.35
  6. Step 6: Final answer
    x = 6,842.72

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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.