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Finding the Fourth Proportional to 5,776.98, 8,674.11 and 5,575.38

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Solution

The fourth proportional to 5,776.98, 8,674.11 and 5,575.38 is: 8,371.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,776.98 : 8,674.11 = 5,575.38 : x
  2. Step 2: Convert to fraction form
    5,776.98/8,674.11 = 5,575.38/x
  3. Step 3: Cross multiply
    5,776.98x = 8,674.11 × 5,575.38
  4. Step 4: Simplify right side
    5,776.98x = 48,361,459.41
  5. Step 5: Solve for x
    x = 48,361,459.41/5,776.98
  6. Step 6: Final answer
    x = 8,371.41

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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.