Home / 8,540.64-11,782.26-5,001.75

Finding the Fourth Proportional to 8,540.64, 11,782.26 and 5,001.75

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Solution

The fourth proportional to 8,540.64, 11,782.26 and 5,001.75 is: 6,900.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540.64 : 11,782.26 = 5,001.75 : x
  2. Step 2: Convert to fraction form
    8,540.64/11,782.26 = 5,001.75/x
  3. Step 3: Cross multiply
    8,540.64x = 11,782.26 × 5,001.75
  4. Step 4: Simplify right side
    8,540.64x = 58,931,918.96
  5. Step 5: Solve for x
    x = 58,931,918.96/8,540.64
  6. Step 6: Final answer
    x = 6,900.18

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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.