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Finding the Fourth Proportional to 5,365.62, 7,405.02 and 3,008.25

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Solution

The fourth proportional to 5,365.62, 7,405.02 and 3,008.25 is: 4,151.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,365.62 : 7,405.02 = 3,008.25 : x
  2. Step 2: Convert to fraction form
    5,365.62/7,405.02 = 3,008.25/x
  3. Step 3: Cross multiply
    5,365.62x = 7,405.02 × 3,008.25
  4. Step 4: Simplify right side
    5,365.62x = 22,276,151.42
  5. Step 5: Solve for x
    x = 22,276,151.42/5,365.62
  6. Step 6: Final answer
    x = 4,151.65

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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.