Home / 5,261.68-7,875.96-3,608.56

Finding the Fourth Proportional to 5,261.68, 7,875.96 and 3,608.56

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Solution

The fourth proportional to 5,261.68, 7,875.96 and 3,608.56 is: 5,401.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.68 : 7,875.96 = 3,608.56 : x
  2. Step 2: Convert to fraction form
    5,261.68/7,875.96 = 3,608.56/x
  3. Step 3: Cross multiply
    5,261.68x = 7,875.96 × 3,608.56
  4. Step 4: Simplify right side
    5,261.68x = 28,420,874.22
  5. Step 5: Solve for x
    x = 28,420,874.22/5,261.68
  6. Step 6: Final answer
    x = 5,401.48

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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.