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Finding the Fourth Proportional to 8,792.96, 13,188.76 and 2,553.02

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Solution

The fourth proportional to 8,792.96, 13,188.76 and 2,553.02 is: 3,829.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792.96 : 13,188.76 = 2,553.02 : x
  2. Step 2: Convert to fraction form
    8,792.96/13,188.76 = 2,553.02/x
  3. Step 3: Cross multiply
    8,792.96x = 13,188.76 × 2,553.02
  4. Step 4: Simplify right side
    8,792.96x = 33,671,222.59
  5. Step 5: Solve for x
    x = 33,671,222.59/8,792.96
  6. Step 6: Final answer
    x = 3,829.34

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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.