Home / 5,509.56-8,264.40-4,408.80

Finding the Fourth Proportional to 5,509.56, 8,264.40 and 4,408.80

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Solution

The fourth proportional to 5,509.56, 8,264.40 and 4,408.80 is: 6,613.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.56 : 8,264.40 = 4,408.80 : x
  2. Step 2: Convert to fraction form
    5,509.56/8,264.40 = 4,408.80/x
  3. Step 3: Cross multiply
    5,509.56x = 8,264.40 × 4,408.80
  4. Step 4: Simplify right side
    5,509.56x = 36,436,086.72
  5. Step 5: Solve for x
    x = 36,436,086.72/5,509.56
  6. Step 6: Final answer
    x = 6,613.25

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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.