Home / 9,230.80-12,737.22-5,251.72

Finding the Fourth Proportional to 9,230.80, 12,737.22 and 5,251.72

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Solution

The fourth proportional to 9,230.80, 12,737.22 and 5,251.72 is: 7,246.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,230.80 : 12,737.22 = 5,251.72 : x
  2. Step 2: Convert to fraction form
    9,230.80/12,737.22 = 5,251.72/x
  3. Step 3: Cross multiply
    9,230.80x = 12,737.22 × 5,251.72
  4. Step 4: Simplify right side
    9,230.80x = 66,892,313.02
  5. Step 5: Solve for x
    x = 66,892,313.02/9,230.80
  6. Step 6: Final answer
    x = 7,246.64

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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.