Home / 8,685.80-13,035.42-3,496.04

Finding the Fourth Proportional to 8,685.80, 13,035.42 and 3,496.04

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Solution

The fourth proportional to 8,685.80, 13,035.42 and 3,496.04 is: 5,246.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685.80 : 13,035.42 = 3,496.04 : x
  2. Step 2: Convert to fraction form
    8,685.80/13,035.42 = 3,496.04/x
  3. Step 3: Cross multiply
    8,685.80x = 13,035.42 × 3,496.04
  4. Step 4: Simplify right side
    8,685.80x = 45,572,349.74
  5. Step 5: Solve for x
    x = 45,572,349.74/8,685.80
  6. Step 6: Final answer
    x = 5,246.76

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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.