Home / 8,015.07-11,060.56-4,478.28

Finding the Fourth Proportional to 8,015.07, 11,060.56 and 4,478.28

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Solution

The fourth proportional to 8,015.07, 11,060.56 and 4,478.28 is: 6,179.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.07 : 11,060.56 = 4,478.28 : x
  2. Step 2: Convert to fraction form
    8,015.07/11,060.56 = 4,478.28/x
  3. Step 3: Cross multiply
    8,015.07x = 11,060.56 × 4,478.28
  4. Step 4: Simplify right side
    8,015.07x = 49,532,229.33
  5. Step 5: Solve for x
    x = 49,532,229.33/8,015.07
  6. Step 6: Final answer
    x = 6,179.89

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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.