Home / 9,245.07-12,759.63-5,889.36

Finding the Fourth Proportional to 9,245.07, 12,759.63 and 5,889.36

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Solution

The fourth proportional to 9,245.07, 12,759.63 and 5,889.36 is: 8,128.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,245.07 : 12,759.63 = 5,889.36 : x
  2. Step 2: Convert to fraction form
    9,245.07/12,759.63 = 5,889.36/x
  3. Step 3: Cross multiply
    9,245.07x = 12,759.63 × 5,889.36
  4. Step 4: Simplify right side
    9,245.07x = 75,146,054.54
  5. Step 5: Solve for x
    x = 75,146,054.54/9,245.07
  6. Step 6: Final answer
    x = 8,128.23

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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.