Home / 4,854.11-7,280.62-1,391.27

Finding the Fourth Proportional to 4,854.11, 7,280.62 and 1,391.27

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Solution

The fourth proportional to 4,854.11, 7,280.62 and 1,391.27 is: 2,086.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,854.11 : 7,280.62 = 1,391.27 : x
  2. Step 2: Convert to fraction form
    4,854.11/7,280.62 = 1,391.27/x
  3. Step 3: Cross multiply
    4,854.11x = 7,280.62 × 1,391.27
  4. Step 4: Simplify right side
    4,854.11x = 10,129,268.31
  5. Step 5: Solve for x
    x = 10,129,268.31/4,854.11
  6. Step 6: Final answer
    x = 2,086.74

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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.