Home / 8,127.90-11,203.38-5,886.72

Finding the Fourth Proportional to 8,127.90, 11,203.38 and 5,886.72

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Solution

The fourth proportional to 8,127.90, 11,203.38 and 5,886.72 is: 8,114.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.90 : 11,203.38 = 5,886.72 : x
  2. Step 2: Convert to fraction form
    8,127.90/11,203.38 = 5,886.72/x
  3. Step 3: Cross multiply
    8,127.90x = 11,203.38 × 5,886.72
  4. Step 4: Simplify right side
    8,127.90x = 65,951,161.11
  5. Step 5: Solve for x
    x = 65,951,161.11/8,127.90
  6. Step 6: Final answer
    x = 8,114.17

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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.