Home / 5,477.28-7,549.44-4,150.56

Finding the Fourth Proportional to 5,477.28, 7,549.44 and 4,150.56

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Solution

The fourth proportional to 5,477.28, 7,549.44 and 4,150.56 is: 5,720.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.28 : 7,549.44 = 4,150.56 : x
  2. Step 2: Convert to fraction form
    5,477.28/7,549.44 = 4,150.56/x
  3. Step 3: Cross multiply
    5,477.28x = 7,549.44 × 4,150.56
  4. Step 4: Simplify right side
    5,477.28x = 31,334,403.69
  5. Step 5: Solve for x
    x = 31,334,403.69/5,477.28
  6. Step 6: Final answer
    x = 5,720.80

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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.