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Finding the Fourth Proportional to 6,172.60, 8,518.13 and 3,339.92

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Solution

The fourth proportional to 6,172.60, 8,518.13 and 3,339.92 is: 4,609.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172.60 : 8,518.13 = 3,339.92 : x
  2. Step 2: Convert to fraction form
    6,172.60/8,518.13 = 3,339.92/x
  3. Step 3: Cross multiply
    6,172.60x = 8,518.13 × 3,339.92
  4. Step 4: Simplify right side
    6,172.60x = 28,449,838.51
  5. Step 5: Solve for x
    x = 28,449,838.51/6,172.60
  6. Step 6: Final answer
    x = 4,609.05

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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.