Home / 5,559.78-8,330.19-4,858.73

Finding the Fourth Proportional to 5,559.78, 8,330.19 and 4,858.73

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Solution

The fourth proportional to 5,559.78, 8,330.19 and 4,858.73 is: 7,279.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,559.78 : 8,330.19 = 4,858.73 : x
  2. Step 2: Convert to fraction form
    5,559.78/8,330.19 = 4,858.73/x
  3. Step 3: Cross multiply
    5,559.78x = 8,330.19 × 4,858.73
  4. Step 4: Simplify right side
    5,559.78x = 40,474,102.41
  5. Step 5: Solve for x
    x = 40,474,102.41/5,559.78
  6. Step 6: Final answer
    x = 7,279.80

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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.