Home / 8,120.48-11,207.39-4,764.38

Finding the Fourth Proportional to 8,120.48, 11,207.39 and 4,764.38

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Solution

The fourth proportional to 8,120.48, 11,207.39 and 4,764.38 is: 6,575.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120.48 : 11,207.39 = 4,764.38 : x
  2. Step 2: Convert to fraction form
    8,120.48/11,207.39 = 4,764.38/x
  3. Step 3: Cross multiply
    8,120.48x = 11,207.39 × 4,764.38
  4. Step 4: Simplify right side
    8,120.48x = 53,396,184.91
  5. Step 5: Solve for x
    x = 53,396,184.91/8,120.48
  6. Step 6: Final answer
    x = 6,575.50

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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.