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Finding the Fourth Proportional to 8,312.46, 12,448.85 and 4,795.11

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Solution

The fourth proportional to 8,312.46, 12,448.85 and 4,795.11 is: 7,181.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312.46 : 12,448.85 = 4,795.11 : x
  2. Step 2: Convert to fraction form
    8,312.46/12,448.85 = 4,795.11/x
  3. Step 3: Cross multiply
    8,312.46x = 12,448.85 × 4,795.11
  4. Step 4: Simplify right side
    8,312.46x = 59,693,581.15
  5. Step 5: Solve for x
    x = 59,693,581.15/8,312.46
  6. Step 6: Final answer
    x = 7,181.22

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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.