Home / 9,489.36-13,095.26-5,240.69

Finding the Fourth Proportional to 9,489.36, 13,095.26 and 5,240.69

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Solution

The fourth proportional to 9,489.36, 13,095.26 and 5,240.69 is: 7,232.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,489.36 : 13,095.26 = 5,240.69 : x
  2. Step 2: Convert to fraction form
    9,489.36/13,095.26 = 5,240.69/x
  3. Step 3: Cross multiply
    9,489.36x = 13,095.26 × 5,240.69
  4. Step 4: Simplify right side
    9,489.36x = 68,628,198.13
  5. Step 5: Solve for x
    x = 68,628,198.13/9,489.36
  6. Step 6: Final answer
    x = 7,232.12

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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.