Home / 7,485.86-11,227.41-2,805.41

Finding the Fourth Proportional to 7,485.86, 11,227.41 and 2,805.41

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Solution

The fourth proportional to 7,485.86, 11,227.41 and 2,805.41 is: 4,207.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.86 : 11,227.41 = 2,805.41 : x
  2. Step 2: Convert to fraction form
    7,485.86/11,227.41 = 2,805.41/x
  3. Step 3: Cross multiply
    7,485.86x = 11,227.41 × 2,805.41
  4. Step 4: Simplify right side
    7,485.86x = 31,497,432.15
  5. Step 5: Solve for x
    x = 31,497,432.15/7,485.86
  6. Step 6: Final answer
    x = 4,207.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.