Home / 5,273.86-7,278.30-2,915.96

Finding the Fourth Proportional to 5,273.86, 7,278.30 and 2,915.96

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Solution

The fourth proportional to 5,273.86, 7,278.30 and 2,915.96 is: 4,024.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.86 : 7,278.30 = 2,915.96 : x
  2. Step 2: Convert to fraction form
    5,273.86/7,278.30 = 2,915.96/x
  3. Step 3: Cross multiply
    5,273.86x = 7,278.30 × 2,915.96
  4. Step 4: Simplify right side
    5,273.86x = 21,223,231.67
  5. Step 5: Solve for x
    x = 21,223,231.67/5,273.86
  6. Step 6: Final answer
    x = 4,024.23

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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.