Home / 9,313.42-12,852.48-5,121.58

Finding the Fourth Proportional to 9,313.42, 12,852.48 and 5,121.58

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Solution

The fourth proportional to 9,313.42, 12,852.48 and 5,121.58 is: 7,067.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,313.42 : 12,852.48 = 5,121.58 : x
  2. Step 2: Convert to fraction form
    9,313.42/12,852.48 = 5,121.58/x
  3. Step 3: Cross multiply
    9,313.42x = 12,852.48 × 5,121.58
  4. Step 4: Simplify right side
    9,313.42x = 65,825,004.52
  5. Step 5: Solve for x
    x = 65,825,004.52/9,313.42
  6. Step 6: Final answer
    x = 7,067.76

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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.