Home / 5,728.92-8,573.40-3,877.80

Finding the Fourth Proportional to 5,728.92, 8,573.40 and 3,877.80

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Solution

The fourth proportional to 5,728.92, 8,573.40 and 3,877.80 is: 5,803.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728.92 : 8,573.40 = 3,877.80 : x
  2. Step 2: Convert to fraction form
    5,728.92/8,573.40 = 3,877.80/x
  3. Step 3: Cross multiply
    5,728.92x = 8,573.40 × 3,877.80
  4. Step 4: Simplify right side
    5,728.92x = 33,245,930.52
  5. Step 5: Solve for x
    x = 33,245,930.52/5,728.92
  6. Step 6: Final answer
    x = 5,803.18

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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.