Home / 5,571.40-8,357.10-4,477.90

Finding the Fourth Proportional to 5,571.40, 8,357.10 and 4,477.90

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Solution

The fourth proportional to 5,571.40, 8,357.10 and 4,477.90 is: 6,716.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571.40 : 8,357.10 = 4,477.90 : x
  2. Step 2: Convert to fraction form
    5,571.40/8,357.10 = 4,477.90/x
  3. Step 3: Cross multiply
    5,571.40x = 8,357.10 × 4,477.90
  4. Step 4: Simplify right side
    5,571.40x = 37,422,258.09
  5. Step 5: Solve for x
    x = 37,422,258.09/5,571.40
  6. Step 6: Final answer
    x = 6,716.85

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Similar ratio
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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.