Home / 6,816.84-10,220.49-2,653.35

Finding the Fourth Proportional to 6,816.84, 10,220.49 and 2,653.35

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Solution

The fourth proportional to 6,816.84, 10,220.49 and 2,653.35 is: 3,978.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816.84 : 10,220.49 = 2,653.35 : x
  2. Step 2: Convert to fraction form
    6,816.84/10,220.49 = 2,653.35/x
  3. Step 3: Cross multiply
    6,816.84x = 10,220.49 × 2,653.35
  4. Step 4: Simplify right side
    6,816.84x = 27,118,537.14
  5. Step 5: Solve for x
    x = 27,118,537.14/6,816.84
  6. Step 6: Final answer
    x = 3,978.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.