Home / 8,690.97-13,042.77-4,008.09

Finding the Fourth Proportional to 8,690.97, 13,042.77 and 4,008.09

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Solution

The fourth proportional to 8,690.97, 13,042.77 and 4,008.09 is: 6,015.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,690.97 : 13,042.77 = 4,008.09 : x
  2. Step 2: Convert to fraction form
    8,690.97/13,042.77 = 4,008.09/x
  3. Step 3: Cross multiply
    8,690.97x = 13,042.77 × 4,008.09
  4. Step 4: Simplify right side
    8,690.97x = 52,276,596.01
  5. Step 5: Solve for x
    x = 52,276,596.01/8,690.97
  6. Step 6: Final answer
    x = 6,015.05

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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.