Home / 8,052.63-11,107.01-7,781.68

Finding the Fourth Proportional to 8,052.63, 11,107.01 and 7,781.68

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Solution

The fourth proportional to 8,052.63, 11,107.01 and 7,781.68 is: 10,733.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,052.63 : 11,107.01 = 7,781.68 : x
  2. Step 2: Convert to fraction form
    8,052.63/11,107.01 = 7,781.68/x
  3. Step 3: Cross multiply
    8,052.63x = 11,107.01 × 7,781.68
  4. Step 4: Simplify right side
    8,052.63x = 86,431,197.58
  5. Step 5: Solve for x
    x = 86,431,197.58/8,052.63
  6. Step 6: Final answer
    x = 10,733.29

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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.