Home / 6,784.80-10,177.20-5,845.20

Finding the Fourth Proportional to 6,784.80, 10,177.20 and 5,845.20

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Solution

The fourth proportional to 6,784.80, 10,177.20 and 5,845.20 is: 8,767.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,784.80 : 10,177.20 = 5,845.20 : x
  2. Step 2: Convert to fraction form
    6,784.80/10,177.20 = 5,845.20/x
  3. Step 3: Cross multiply
    6,784.80x = 10,177.20 × 5,845.20
  4. Step 4: Simplify right side
    6,784.80x = 59,487,769.44
  5. Step 5: Solve for x
    x = 59,487,769.44/6,784.80
  6. Step 6: Final answer
    x = 8,767.80

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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.