Home / 5,220.10-7,204.44-3,230.20

Finding the Fourth Proportional to 5,220.10, 7,204.44 and 3,230.20

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Solution

The fourth proportional to 5,220.10, 7,204.44 and 3,230.20 is: 4,458.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.10 : 7,204.44 = 3,230.20 : x
  2. Step 2: Convert to fraction form
    5,220.10/7,204.44 = 3,230.20/x
  3. Step 3: Cross multiply
    5,220.10x = 7,204.44 × 3,230.20
  4. Step 4: Simplify right side
    5,220.10x = 23,271,782.09
  5. Step 5: Solve for x
    x = 23,271,782.09/5,220.10
  6. Step 6: Final answer
    x = 4,458.11

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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.