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Finding the Fourth Proportional to 5,593.69, 7,719.29 and 3,237.20

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Solution

The fourth proportional to 5,593.69, 7,719.29 and 3,237.20 is: 4,467.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,593.69 : 7,719.29 = 3,237.20 : x
  2. Step 2: Convert to fraction form
    5,593.69/7,719.29 = 3,237.20/x
  3. Step 3: Cross multiply
    5,593.69x = 7,719.29 × 3,237.20
  4. Step 4: Simplify right side
    5,593.69x = 24,988,885.59
  5. Step 5: Solve for x
    x = 24,988,885.59/5,593.69
  6. Step 6: Final answer
    x = 4,467.33

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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.