Home / 4,540.47-6,808.77-1,728.83

Finding the Fourth Proportional to 4,540.47, 6,808.77 and 1,728.83

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Solution

The fourth proportional to 4,540.47, 6,808.77 and 1,728.83 is: 2,592.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,540.47 : 6,808.77 = 1,728.83 : x
  2. Step 2: Convert to fraction form
    4,540.47/6,808.77 = 1,728.83/x
  3. Step 3: Cross multiply
    4,540.47x = 6,808.77 × 1,728.83
  4. Step 4: Simplify right side
    4,540.47x = 11,771,171.80
  5. Step 5: Solve for x
    x = 11,771,171.80/4,540.47
  6. Step 6: Final answer
    x = 2,592.50

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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.