Home / 9,091.44-12,543.12-5,313.42

Finding the Fourth Proportional to 9,091.44, 12,543.12 and 5,313.42

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Solution

The fourth proportional to 9,091.44, 12,543.12 and 5,313.42 is: 7,330.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091.44 : 12,543.12 = 5,313.42 : x
  2. Step 2: Convert to fraction form
    9,091.44/12,543.12 = 5,313.42/x
  3. Step 3: Cross multiply
    9,091.44x = 12,543.12 × 5,313.42
  4. Step 4: Simplify right side
    9,091.44x = 66,646,864.67
  5. Step 5: Solve for x
    x = 66,646,864.67/9,091.44
  6. Step 6: Final answer
    x = 7,330.73

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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.