Home / 8,647.31-11,933.46-5,110.54

Finding the Fourth Proportional to 8,647.31, 11,933.46 and 5,110.54

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Solution

The fourth proportional to 8,647.31, 11,933.46 and 5,110.54 is: 7,052.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,647.31 : 11,933.46 = 5,110.54 : x
  2. Step 2: Convert to fraction form
    8,647.31/11,933.46 = 5,110.54/x
  3. Step 3: Cross multiply
    8,647.31x = 11,933.46 × 5,110.54
  4. Step 4: Simplify right side
    8,647.31x = 60,986,394.83
  5. Step 5: Solve for x
    x = 60,986,394.83/8,647.31
  6. Step 6: Final answer
    x = 7,052.64

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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.