Home / 5,386.55-7,433.82-2,997.05

Finding the Fourth Proportional to 5,386.55, 7,433.82 and 2,997.05

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Solution

The fourth proportional to 5,386.55, 7,433.82 and 2,997.05 is: 4,136.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.55 : 7,433.82 = 2,997.05 : x
  2. Step 2: Convert to fraction form
    5,386.55/7,433.82 = 2,997.05/x
  3. Step 3: Cross multiply
    5,386.55x = 7,433.82 × 2,997.05
  4. Step 4: Simplify right side
    5,386.55x = 22,279,493.06
  5. Step 5: Solve for x
    x = 22,279,493.06/5,386.55
  6. Step 6: Final answer
    x = 4,136.14

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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.