Home / 5,520.85-8,280.46-1,823.20

Finding the Fourth Proportional to 5,520.85, 8,280.46 and 1,823.20

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Solution

The fourth proportional to 5,520.85, 8,280.46 and 1,823.20 is: 2,734.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.85 : 8,280.46 = 1,823.20 : x
  2. Step 2: Convert to fraction form
    5,520.85/8,280.46 = 1,823.20/x
  3. Step 3: Cross multiply
    5,520.85x = 8,280.46 × 1,823.20
  4. Step 4: Simplify right side
    5,520.85x = 15,096,916.25
  5. Step 5: Solve for x
    x = 15,096,916.25/5,520.85
  6. Step 6: Final answer
    x = 2,734.53

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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.