Home / 5,905.20-8,857.80-4,954.80

Finding the Fourth Proportional to 5,905.20, 8,857.80 and 4,954.80

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Solution

The fourth proportional to 5,905.20, 8,857.80 and 4,954.80 is: 7,432.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.20 : 8,857.80 = 4,954.80 : x
  2. Step 2: Convert to fraction form
    5,905.20/8,857.80 = 4,954.80/x
  3. Step 3: Cross multiply
    5,905.20x = 8,857.80 × 4,954.80
  4. Step 4: Simplify right side
    5,905.20x = 43,888,627.44
  5. Step 5: Solve for x
    x = 43,888,627.44/5,905.20
  6. Step 6: Final answer
    x = 7,432.20

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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.