Home / 8,555.54-11,805.44-4,778.18

Finding the Fourth Proportional to 8,555.54, 11,805.44 and 4,778.18

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Solution

The fourth proportional to 8,555.54, 11,805.44 and 4,778.18 is: 6,593.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.54 : 11,805.44 = 4,778.18 : x
  2. Step 2: Convert to fraction form
    8,555.54/11,805.44 = 4,778.18/x
  3. Step 3: Cross multiply
    8,555.54x = 11,805.44 × 4,778.18
  4. Step 4: Simplify right side
    8,555.54x = 56,408,517.30
  5. Step 5: Solve for x
    x = 56,408,517.30/8,555.54
  6. Step 6: Final answer
    x = 6,593.22

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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.