Home / 5,355.43-7,389.63-2,997.11

Finding the Fourth Proportional to 5,355.43, 7,389.63 and 2,997.11

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Solution

The fourth proportional to 5,355.43, 7,389.63 and 2,997.11 is: 4,135.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.43 : 7,389.63 = 2,997.11 : x
  2. Step 2: Convert to fraction form
    5,355.43/7,389.63 = 2,997.11/x
  3. Step 3: Cross multiply
    5,355.43x = 7,389.63 × 2,997.11
  4. Step 4: Simplify right side
    5,355.43x = 22,147,552.44
  5. Step 5: Solve for x
    x = 22,147,552.44/5,355.43
  6. Step 6: Final answer
    x = 4,135.53

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1.5x scale

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.