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Finding the Fourth Proportional to 8,802.72, 13,201.65 and 4,418.19

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Solution

The fourth proportional to 8,802.72, 13,201.65 and 4,418.19 is: 6,626.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,802.72 : 13,201.65 = 4,418.19 : x
  2. Step 2: Convert to fraction form
    8,802.72/13,201.65 = 4,418.19/x
  3. Step 3: Cross multiply
    8,802.72x = 13,201.65 × 4,418.19
  4. Step 4: Simplify right side
    8,802.72x = 58,327,398.01
  5. Step 5: Solve for x
    x = 58,327,398.01/8,802.72
  6. Step 6: Final answer
    x = 6,626.07

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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.