Home / 8,122.11-11,208.54-4,764.93

Finding the Fourth Proportional to 8,122.11, 11,208.54 and 4,764.93

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Solution

The fourth proportional to 8,122.11, 11,208.54 and 4,764.93 is: 6,575.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122.11 : 11,208.54 = 4,764.93 : x
  2. Step 2: Convert to fraction form
    8,122.11/11,208.54 = 4,764.93/x
  3. Step 3: Cross multiply
    8,122.11x = 11,208.54 × 4,764.93
  4. Step 4: Simplify right side
    8,122.11x = 53,407,884.34
  5. Step 5: Solve for x
    x = 53,407,884.34/8,122.11
  6. Step 6: Final answer
    x = 6,575.62

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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.