Home / 9,268.20-12,791.04-5,288.52

Finding the Fourth Proportional to 9,268.20, 12,791.04 and 5,288.52

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Solution

The fourth proportional to 9,268.20, 12,791.04 and 5,288.52 is: 7,298.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,268.20 : 12,791.04 = 5,288.52 : x
  2. Step 2: Convert to fraction form
    9,268.20/12,791.04 = 5,288.52/x
  3. Step 3: Cross multiply
    9,268.20x = 12,791.04 × 5,288.52
  4. Step 4: Simplify right side
    9,268.20x = 67,645,670.86
  5. Step 5: Solve for x
    x = 67,645,670.86/9,268.20
  6. Step 6: Final answer
    x = 7,298.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.