Home / 5,276.24-7,914.36-1,380.62

Finding the Fourth Proportional to 5,276.24, 7,914.36 and 1,380.62

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Solution

The fourth proportional to 5,276.24, 7,914.36 and 1,380.62 is: 2,070.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.24 : 7,914.36 = 1,380.62 : x
  2. Step 2: Convert to fraction form
    5,276.24/7,914.36 = 1,380.62/x
  3. Step 3: Cross multiply
    5,276.24x = 7,914.36 × 1,380.62
  4. Step 4: Simplify right side
    5,276.24x = 10,926,684.13
  5. Step 5: Solve for x
    x = 10,926,684.13/5,276.24
  6. Step 6: Final answer
    x = 2,070.92

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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.