Home / 8,334.04-12,502.30-2,785.80

Finding the Fourth Proportional to 8,334.04, 12,502.30 and 2,785.80

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Solution

The fourth proportional to 8,334.04, 12,502.30 and 2,785.80 is: 4,179.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,334.04 : 12,502.30 = 2,785.80 : x
  2. Step 2: Convert to fraction form
    8,334.04/12,502.30 = 2,785.80/x
  3. Step 3: Cross multiply
    8,334.04x = 12,502.30 × 2,785.80
  4. Step 4: Simplify right side
    8,334.04x = 34,828,907.34
  5. Step 5: Solve for x
    x = 34,828,907.34/8,334.04
  6. Step 6: Final answer
    x = 4,179.11

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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.