Home / 8,558.57-12,835.91-3,875.49

Finding the Fourth Proportional to 8,558.57, 12,835.91 and 3,875.49

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Solution

The fourth proportional to 8,558.57, 12,835.91 and 3,875.49 is: 5,812.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558.57 : 12,835.91 = 3,875.49 : x
  2. Step 2: Convert to fraction form
    8,558.57/12,835.91 = 3,875.49/x
  3. Step 3: Cross multiply
    8,558.57x = 12,835.91 × 3,875.49
  4. Step 4: Simplify right side
    8,558.57x = 49,745,450.53
  5. Step 5: Solve for x
    x = 49,745,450.53/8,558.57
  6. Step 6: Final answer
    x = 5,812.35

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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.