Home / 5,753.10-8,630.85-3,285.90

Finding the Fourth Proportional to 5,753.10, 8,630.85 and 3,285.90

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Solution

The fourth proportional to 5,753.10, 8,630.85 and 3,285.90 is: 4,929.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,753.10 : 8,630.85 = 3,285.90 : x
  2. Step 2: Convert to fraction form
    5,753.10/8,630.85 = 3,285.90/x
  3. Step 3: Cross multiply
    5,753.10x = 8,630.85 × 3,285.90
  4. Step 4: Simplify right side
    5,753.10x = 28,360,110.02
  5. Step 5: Solve for x
    x = 28,360,110.02/5,753.10
  6. Step 6: Final answer
    x = 4,929.54

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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.