Home / 5,511.20-8,252.72-4,589.60

Finding the Fourth Proportional to 5,511.20, 8,252.72 and 4,589.60

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Solution

The fourth proportional to 5,511.20, 8,252.72 and 4,589.60 is: 6,872.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.20 : 8,252.72 = 4,589.60 : x
  2. Step 2: Convert to fraction form
    5,511.20/8,252.72 = 4,589.60/x
  3. Step 3: Cross multiply
    5,511.20x = 8,252.72 × 4,589.60
  4. Step 4: Simplify right side
    5,511.20x = 37,876,683.71
  5. Step 5: Solve for x
    x = 37,876,683.71/5,511.20
  6. Step 6: Final answer
    x = 6,872.67

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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.