Home / 4,855.54-7,287.42-2,665.78

Finding the Fourth Proportional to 4,855.54, 7,287.42 and 2,665.78

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Solution

The fourth proportional to 4,855.54, 7,287.42 and 2,665.78 is: 4,000.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.54 : 7,287.42 = 2,665.78 : x
  2. Step 2: Convert to fraction form
    4,855.54/7,287.42 = 2,665.78/x
  3. Step 3: Cross multiply
    4,855.54x = 7,287.42 × 2,665.78
  4. Step 4: Simplify right side
    4,855.54x = 19,426,658.49
  5. Step 5: Solve for x
    x = 19,426,658.49/4,855.54
  6. Step 6: Final answer
    x = 4,000.93

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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.