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Finding the Fourth Proportional to 5,505.99, 8,258.22 and 1,808.43

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Solution

The fourth proportional to 5,505.99, 8,258.22 and 1,808.43 is: 2,712.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.99 : 8,258.22 = 1,808.43 : x
  2. Step 2: Convert to fraction form
    5,505.99/8,258.22 = 1,808.43/x
  3. Step 3: Cross multiply
    5,505.99x = 8,258.22 × 1,808.43
  4. Step 4: Simplify right side
    5,505.99x = 14,934,412.79
  5. Step 5: Solve for x
    x = 14,934,412.79/5,505.99
  6. Step 6: Final answer
    x = 2,712.39

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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.