Home / 8,665.08-12,999.68-4,504.15

Finding the Fourth Proportional to 8,665.08, 12,999.68 and 4,504.15

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Solution

The fourth proportional to 8,665.08, 12,999.68 and 4,504.15 is: 6,757.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,665.08 : 12,999.68 = 4,504.15 : x
  2. Step 2: Convert to fraction form
    8,665.08/12,999.68 = 4,504.15/x
  3. Step 3: Cross multiply
    8,665.08x = 12,999.68 × 4,504.15
  4. Step 4: Simplify right side
    8,665.08x = 58,552,495.40
  5. Step 5: Solve for x
    x = 58,552,495.40/8,665.08
  6. Step 6: Final answer
    x = 6,757.29

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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.