Home / 5,530.10-7,641.24-4,420.19

Finding the Fourth Proportional to 5,530.10, 7,641.24 and 4,420.19

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Solution

The fourth proportional to 5,530.10, 7,641.24 and 4,420.19 is: 6,107.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530.10 : 7,641.24 = 4,420.19 : x
  2. Step 2: Convert to fraction form
    5,530.10/7,641.24 = 4,420.19/x
  3. Step 3: Cross multiply
    5,530.10x = 7,641.24 × 4,420.19
  4. Step 4: Simplify right side
    5,530.10x = 33,775,694.43
  5. Step 5: Solve for x
    x = 33,775,694.43/5,530.10
  6. Step 6: Final answer
    x = 6,107.62

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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.