Home / 4,860.78-7,280.23-3,406.43

Finding the Fourth Proportional to 4,860.78, 7,280.23 and 3,406.43

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Solution

The fourth proportional to 4,860.78, 7,280.23 and 3,406.43 is: 5,101.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860.78 : 7,280.23 = 3,406.43 : x
  2. Step 2: Convert to fraction form
    4,860.78/7,280.23 = 3,406.43/x
  3. Step 3: Cross multiply
    4,860.78x = 7,280.23 × 3,406.43
  4. Step 4: Simplify right side
    4,860.78x = 24,799,548.96
  5. Step 5: Solve for x
    x = 24,799,548.96/4,860.78
  6. Step 6: Final answer
    x = 5,101.97

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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.