Home / 5,604.30-7,739.10-3,618.24

Finding the Fourth Proportional to 5,604.30, 7,739.10 and 3,618.24

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Solution

The fourth proportional to 5,604.30, 7,739.10 and 3,618.24 is: 4,996.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,604.30 : 7,739.10 = 3,618.24 : x
  2. Step 2: Convert to fraction form
    5,604.30/7,739.10 = 3,618.24/x
  3. Step 3: Cross multiply
    5,604.30x = 7,739.10 × 3,618.24
  4. Step 4: Simplify right side
    5,604.30x = 28,001,921.18
  5. Step 5: Solve for x
    x = 28,001,921.18/5,604.30
  6. Step 6: Final answer
    x = 4,996.51

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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.