Home / 5,662.77-7,816.28-3,777.09

Finding the Fourth Proportional to 5,662.77, 7,816.28 and 3,777.09

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Solution

The fourth proportional to 5,662.77, 7,816.28 and 3,777.09 is: 5,213.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,662.77 : 7,816.28 = 3,777.09 : x
  2. Step 2: Convert to fraction form
    5,662.77/7,816.28 = 3,777.09/x
  3. Step 3: Cross multiply
    5,662.77x = 7,816.28 × 3,777.09
  4. Step 4: Simplify right side
    5,662.77x = 29,522,774.14
  5. Step 5: Solve for x
    x = 29,522,774.14/5,662.77
  6. Step 6: Final answer
    x = 5,213.49

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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.