Home / 5,518.08-8,260.80-4,234.56

Finding the Fourth Proportional to 5,518.08, 8,260.80 and 4,234.56

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Solution

The fourth proportional to 5,518.08, 8,260.80 and 4,234.56 is: 6,339.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.08 : 8,260.80 = 4,234.56 : x
  2. Step 2: Convert to fraction form
    5,518.08/8,260.80 = 4,234.56/x
  3. Step 3: Cross multiply
    5,518.08x = 8,260.80 × 4,234.56
  4. Step 4: Simplify right side
    5,518.08x = 34,980,853.25
  5. Step 5: Solve for x
    x = 34,980,853.25/5,518.08
  6. Step 6: Final answer
    x = 6,339.32

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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.