Home / 5,558.20-7,670.43-3,321.36

Finding the Fourth Proportional to 5,558.20, 7,670.43 and 3,321.36

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Solution

The fourth proportional to 5,558.20, 7,670.43 and 3,321.36 is: 4,583.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.20 : 7,670.43 = 3,321.36 : x
  2. Step 2: Convert to fraction form
    5,558.20/7,670.43 = 3,321.36/x
  3. Step 3: Cross multiply
    5,558.20x = 7,670.43 × 3,321.36
  4. Step 4: Simplify right side
    5,558.20x = 25,476,259.38
  5. Step 5: Solve for x
    x = 25,476,259.38/5,558.20
  6. Step 6: Final answer
    x = 4,583.55

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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.