Home / 8,529.45-12,785.38-4,625.61

Finding the Fourth Proportional to 8,529.45, 12,785.38 and 4,625.61

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Solution

The fourth proportional to 8,529.45, 12,785.38 and 4,625.61 is: 6,933.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,529.45 : 12,785.38 = 4,625.61 : x
  2. Step 2: Convert to fraction form
    8,529.45/12,785.38 = 4,625.61/x
  3. Step 3: Cross multiply
    8,529.45x = 12,785.38 × 4,625.61
  4. Step 4: Simplify right side
    8,529.45x = 59,140,158.45
  5. Step 5: Solve for x
    x = 59,140,158.45/8,529.45
  6. Step 6: Final answer
    x = 6,933.64

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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.