Home / 5,549.50-7,652.64-3,662.20

Finding the Fourth Proportional to 5,549.50, 7,652.64 and 3,662.20

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Solution

The fourth proportional to 5,549.50, 7,652.64 and 3,662.20 is: 5,050.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,549.50 : 7,652.64 = 3,662.20 : x
  2. Step 2: Convert to fraction form
    5,549.50/7,652.64 = 3,662.20/x
  3. Step 3: Cross multiply
    5,549.50x = 7,652.64 × 3,662.20
  4. Step 4: Simplify right side
    5,549.50x = 28,025,498.21
  5. Step 5: Solve for x
    x = 28,025,498.21/5,549.50
  6. Step 6: Final answer
    x = 5,050.09

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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.