Home / 5,273.20-7,276.93-2,915.29

Finding the Fourth Proportional to 5,273.20, 7,276.93 and 2,915.29

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Solution

The fourth proportional to 5,273.20, 7,276.93 and 2,915.29 is: 4,023.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.20 : 7,276.93 = 2,915.29 : x
  2. Step 2: Convert to fraction form
    5,273.20/7,276.93 = 2,915.29/x
  3. Step 3: Cross multiply
    5,273.20x = 7,276.93 × 2,915.29
  4. Step 4: Simplify right side
    5,273.20x = 21,214,361.26
  5. Step 5: Solve for x
    x = 21,214,361.26/5,273.20
  6. Step 6: Final answer
    x = 4,023.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.