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Finding the Fourth Proportional to 5,593.62, 8,391.64 and 1,698.34

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Solution

The fourth proportional to 5,593.62, 8,391.64 and 1,698.34 is: 2,547.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,593.62 : 8,391.64 = 1,698.34 : x
  2. Step 2: Convert to fraction form
    5,593.62/8,391.64 = 1,698.34/x
  3. Step 3: Cross multiply
    5,593.62x = 8,391.64 × 1,698.34
  4. Step 4: Simplify right side
    5,593.62x = 14,251,857.88
  5. Step 5: Solve for x
    x = 14,251,857.88/5,593.62
  6. Step 6: Final answer
    x = 2,547.88

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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.