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Finding the Fourth Proportional to 8,812.50, 12,161.16 and 4,833.53

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Solution

The fourth proportional to 8,812.50, 12,161.16 and 4,833.53 is: 6,670.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.50 : 12,161.16 = 4,833.53 : x
  2. Step 2: Convert to fraction form
    8,812.50/12,161.16 = 4,833.53/x
  3. Step 3: Cross multiply
    8,812.50x = 12,161.16 × 4,833.53
  4. Step 4: Simplify right side
    8,812.50x = 58,781,270.89
  5. Step 5: Solve for x
    x = 58,781,270.89/8,812.50
  6. Step 6: Final answer
    x = 6,670.22

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1.5x scale

Why These Related Problems?

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