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Finding the Fourth Proportional to 5,657.70, 8,486.55 and 1,762.11

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Solution

The fourth proportional to 5,657.70, 8,486.55 and 1,762.11 is: 2,643.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,657.70 : 8,486.55 = 1,762.11 : x
  2. Step 2: Convert to fraction form
    5,657.70/8,486.55 = 1,762.11/x
  3. Step 3: Cross multiply
    5,657.70x = 8,486.55 × 1,762.11
  4. Step 4: Simplify right side
    5,657.70x = 14,954,234.62
  5. Step 5: Solve for x
    x = 14,954,234.62/5,657.70
  6. Step 6: Final answer
    x = 2,643.17

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.