Home / 5,213.31-7,820.84-2,293.66

Finding the Fourth Proportional to 5,213.31, 7,820.84 and 2,293.66

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Solution

The fourth proportional to 5,213.31, 7,820.84 and 2,293.66 is: 3,440.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.31 : 7,820.84 = 2,293.66 : x
  2. Step 2: Convert to fraction form
    5,213.31/7,820.84 = 2,293.66/x
  3. Step 3: Cross multiply
    5,213.31x = 7,820.84 × 2,293.66
  4. Step 4: Simplify right side
    5,213.31x = 17,938,347.87
  5. Step 5: Solve for x
    x = 17,938,347.87/5,213.31
  6. Step 6: Final answer
    x = 3,440.87

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1.5x scale

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.