Home / 8,529.30-12,785.04-3,594.78

Finding the Fourth Proportional to 8,529.30, 12,785.04 and 3,594.78

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Solution

The fourth proportional to 8,529.30, 12,785.04 and 3,594.78 is: 5,388.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,529.30 : 12,785.04 = 3,594.78 : x
  2. Step 2: Convert to fraction form
    8,529.30/12,785.04 = 3,594.78/x
  3. Step 3: Cross multiply
    8,529.30x = 12,785.04 × 3,594.78
  4. Step 4: Simplify right side
    8,529.30x = 45,959,406.09
  5. Step 5: Solve for x
    x = 45,959,406.09/8,529.30
  6. Step 6: Final answer
    x = 5,388.41

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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.