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Finding the Fourth Proportional to 8,999.04, 13,503.60 and 3,808.80

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Solution

The fourth proportional to 8,999.04, 13,503.60 and 3,808.80 is: 5,715.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.04 : 13,503.60 = 3,808.80 : x
  2. Step 2: Convert to fraction form
    8,999.04/13,503.60 = 3,808.80/x
  3. Step 3: Cross multiply
    8,999.04x = 13,503.60 × 3,808.80
  4. Step 4: Simplify right side
    8,999.04x = 51,432,511.68
  5. Step 5: Solve for x
    x = 51,432,511.68/8,999.04
  6. Step 6: Final answer
    x = 5,715.33

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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.