Home / 5,523.08-7,621.92-3,005.20

Finding the Fourth Proportional to 5,523.08, 7,621.92 and 3,005.20

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Solution

The fourth proportional to 5,523.08, 7,621.92 and 3,005.20 is: 4,147.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,523.08 : 7,621.92 = 3,005.20 : x
  2. Step 2: Convert to fraction form
    5,523.08/7,621.92 = 3,005.20/x
  3. Step 3: Cross multiply
    5,523.08x = 7,621.92 × 3,005.20
  4. Step 4: Simplify right side
    5,523.08x = 22,905,393.98
  5. Step 5: Solve for x
    x = 22,905,393.98/5,523.08
  6. Step 6: Final answer
    x = 4,147.21

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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.