Home / 8,143.50-11,234.27-4,785.26

Finding the Fourth Proportional to 8,143.50, 11,234.27 and 4,785.26

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Solution

The fourth proportional to 8,143.50, 11,234.27 and 4,785.26 is: 6,601.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143.50 : 11,234.27 = 4,785.26 : x
  2. Step 2: Convert to fraction form
    8,143.50/11,234.27 = 4,785.26/x
  3. Step 3: Cross multiply
    8,143.50x = 11,234.27 × 4,785.26
  4. Step 4: Simplify right side
    8,143.50x = 53,758,902.86
  5. Step 5: Solve for x
    x = 53,758,902.86/8,143.50
  6. Step 6: Final answer
    x = 6,601.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.