Home / 8,558.56-12,838.20-2,715.04

Finding the Fourth Proportional to 8,558.56, 12,838.20 and 2,715.04

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Solution

The fourth proportional to 8,558.56, 12,838.20 and 2,715.04 is: 4,072.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558.56 : 12,838.20 = 2,715.04 : x
  2. Step 2: Convert to fraction form
    8,558.56/12,838.20 = 2,715.04/x
  3. Step 3: Cross multiply
    8,558.56x = 12,838.20 × 2,715.04
  4. Step 4: Simplify right side
    8,558.56x = 34,856,226.53
  5. Step 5: Solve for x
    x = 34,856,226.53/8,558.56
  6. Step 6: Final answer
    x = 4,072.67

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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.