Home / 8,706.92-13,060.32-3,512.72

Finding the Fourth Proportional to 8,706.92, 13,060.32 and 3,512.72

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Solution

The fourth proportional to 8,706.92, 13,060.32 and 3,512.72 is: 5,269.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,706.92 : 13,060.32 = 3,512.72 : x
  2. Step 2: Convert to fraction form
    8,706.92/13,060.32 = 3,512.72/x
  3. Step 3: Cross multiply
    8,706.92x = 13,060.32 × 3,512.72
  4. Step 4: Simplify right side
    8,706.92x = 45,877,247.27
  5. Step 5: Solve for x
    x = 45,877,247.27/8,706.92
  6. Step 6: Final answer
    x = 5,269.06

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1.5x scale

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.