Home / 9,212.13-12,712.74-5,233.86

Finding the Fourth Proportional to 9,212.13, 12,712.74 and 5,233.86

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Solution

The fourth proportional to 9,212.13, 12,712.74 and 5,233.86 is: 7,222.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.13 : 12,712.74 = 5,233.86 : x
  2. Step 2: Convert to fraction form
    9,212.13/12,712.74 = 5,233.86/x
  3. Step 3: Cross multiply
    9,212.13x = 12,712.74 × 5,233.86
  4. Step 4: Simplify right side
    9,212.13x = 66,536,701.38
  5. Step 5: Solve for x
    x = 66,536,701.38/9,212.13
  6. Step 6: Final answer
    x = 7,222.73

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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.