Home / 8,650.87-11,933.54-5,784.54

Finding the Fourth Proportional to 8,650.87, 11,933.54 and 5,784.54

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Solution

The fourth proportional to 8,650.87, 11,933.54 and 5,784.54 is: 7,979.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,650.87 : 11,933.54 = 5,784.54 : x
  2. Step 2: Convert to fraction form
    8,650.87/11,933.54 = 5,784.54/x
  3. Step 3: Cross multiply
    8,650.87x = 11,933.54 × 5,784.54
  4. Step 4: Simplify right side
    8,650.87x = 69,029,987.49
  5. Step 5: Solve for x
    x = 69,029,987.49/8,650.87
  6. Step 6: Final answer
    x = 7,979.54

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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.