Home / 8,653.68-11,942.36-5,298

Finding the Fourth Proportional to 8,653.68, 11,942.36 and 5,298

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Solution

The fourth proportional to 8,653.68, 11,942.36 and 5,298 is: 7,311.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,653.68 : 11,942.36 = 5,298 : x
  2. Step 2: Convert to fraction form
    8,653.68/11,942.36 = 5,298/x
  3. Step 3: Cross multiply
    8,653.68x = 11,942.36 × 5,298
  4. Step 4: Simplify right side
    8,653.68x = 63,270,623.28
  5. Step 5: Solve for x
    x = 63,270,623.28/8,653.68
  6. Step 6: Final answer
    x = 7,311.41

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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.