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Finding the Fourth Proportional to 5,407.04, 7,463.57 and 3,169.64

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Solution

The fourth proportional to 5,407.04, 7,463.57 and 3,169.64 is: 4,375.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.04 : 7,463.57 = 3,169.64 : x
  2. Step 2: Convert to fraction form
    5,407.04/7,463.57 = 3,169.64/x
  3. Step 3: Cross multiply
    5,407.04x = 7,463.57 × 3,169.64
  4. Step 4: Simplify right side
    5,407.04x = 23,656,830.01
  5. Step 5: Solve for x
    x = 23,656,830.01/5,407.04
  6. Step 6: Final answer
    x = 4,375.19

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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.