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Finding the Fourth Proportional to 5,365.71, 7,404.66 and 3,008.30

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Solution

The fourth proportional to 5,365.71, 7,404.66 and 3,008.30 is: 4,151.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,365.71 : 7,404.66 = 3,008.30 : x
  2. Step 2: Convert to fraction form
    5,365.71/7,404.66 = 3,008.30/x
  3. Step 3: Cross multiply
    5,365.71x = 7,404.66 × 3,008.30
  4. Step 4: Simplify right side
    5,365.71x = 22,275,401.65
  5. Step 5: Solve for x
    x = 22,275,401.65/5,365.71
  6. Step 6: Final answer
    x = 4,151.44

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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.