Home / 8,566.30-11,820.78-4,789.27

Finding the Fourth Proportional to 8,566.30, 11,820.78 and 4,789.27

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Solution

The fourth proportional to 8,566.30, 11,820.78 and 4,789.27 is: 6,608.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,566.30 : 11,820.78 = 4,789.27 : x
  2. Step 2: Convert to fraction form
    8,566.30/11,820.78 = 4,789.27/x
  3. Step 3: Cross multiply
    8,566.30x = 11,820.78 × 4,789.27
  4. Step 4: Simplify right side
    8,566.30x = 56,612,907.03
  5. Step 5: Solve for x
    x = 56,612,907.03/8,566.30
  6. Step 6: Final answer
    x = 6,608.79

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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.