Home / 5,505.52-8,256.12-2,220.16

Finding the Fourth Proportional to 5,505.52, 8,256.12 and 2,220.16

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Solution

The fourth proportional to 5,505.52, 8,256.12 and 2,220.16 is: 3,329.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.52 : 8,256.12 = 2,220.16 : x
  2. Step 2: Convert to fraction form
    5,505.52/8,256.12 = 2,220.16/x
  3. Step 3: Cross multiply
    5,505.52x = 8,256.12 × 2,220.16
  4. Step 4: Simplify right side
    5,505.52x = 18,329,907.38
  5. Step 5: Solve for x
    x = 18,329,907.38/5,505.52
  6. Step 6: Final answer
    x = 3,329.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.