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Finding the Fourth Proportional to 5,575.54, 8,363.63 and 1,679.54

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Solution

The fourth proportional to 5,575.54, 8,363.63 and 1,679.54 is: 2,519.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,575.54 : 8,363.63 = 1,679.54 : x
  2. Step 2: Convert to fraction form
    5,575.54/8,363.63 = 1,679.54/x
  3. Step 3: Cross multiply
    5,575.54x = 8,363.63 × 1,679.54
  4. Step 4: Simplify right side
    5,575.54x = 14,047,051.13
  5. Step 5: Solve for x
    x = 14,047,051.13/5,575.54
  6. Step 6: Final answer
    x = 2,519.41

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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.