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Finding the Fourth Proportional to 8,522.95, 11,762.58 and 4,989.12

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Solution

The fourth proportional to 8,522.95, 11,762.58 and 4,989.12 is: 6,885.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522.95 : 11,762.58 = 4,989.12 : x
  2. Step 2: Convert to fraction form
    8,522.95/11,762.58 = 4,989.12/x
  3. Step 3: Cross multiply
    8,522.95x = 11,762.58 × 4,989.12
  4. Step 4: Simplify right side
    8,522.95x = 58,684,923.13
  5. Step 5: Solve for x
    x = 58,684,923.13/8,522.95
  6. Step 6: Final answer
    x = 6,885.52

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.