Home / 5,905.20-8,857.80-2,784.18

Finding the Fourth Proportional to 5,905.20, 8,857.80 and 2,784.18

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Solution

The fourth proportional to 5,905.20, 8,857.80 and 2,784.18 is: 4,176.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.20 : 8,857.80 = 2,784.18 : x
  2. Step 2: Convert to fraction form
    5,905.20/8,857.80 = 2,784.18/x
  3. Step 3: Cross multiply
    5,905.20x = 8,857.80 × 2,784.18
  4. Step 4: Simplify right side
    5,905.20x = 24,661,709.60
  5. Step 5: Solve for x
    x = 24,661,709.60/5,905.20
  6. Step 6: Final answer
    x = 4,176.27

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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.