Home / 5,445.72-8,162.16-2,632.80

Finding the Fourth Proportional to 5,445.72, 8,162.16 and 2,632.80

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Solution

The fourth proportional to 5,445.72, 8,162.16 and 2,632.80 is: 3,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.72 : 8,162.16 = 2,632.80 : x
  2. Step 2: Convert to fraction form
    5,445.72/8,162.16 = 2,632.80/x
  3. Step 3: Cross multiply
    5,445.72x = 8,162.16 × 2,632.80
  4. Step 4: Simplify right side
    5,445.72x = 21,489,334.85
  5. Step 5: Solve for x
    x = 21,489,334.85/5,445.72
  6. Step 6: Final answer
    x = 3,946.10

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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.