Home / 5,276.23-7,914.33-1,380.64

Finding the Fourth Proportional to 5,276.23, 7,914.33 and 1,380.64

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Solution

The fourth proportional to 5,276.23, 7,914.33 and 1,380.64 is: 2,070.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.23 : 7,914.33 = 1,380.64 : x
  2. Step 2: Convert to fraction form
    5,276.23/7,914.33 = 1,380.64/x
  3. Step 3: Cross multiply
    5,276.23x = 7,914.33 × 1,380.64
  4. Step 4: Simplify right side
    5,276.23x = 10,926,840.57
  5. Step 5: Solve for x
    x = 10,926,840.57/5,276.23
  6. Step 6: Final answer
    x = 2,070.96

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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.