Home / 6,828.84-10,242.90-2,211.48

Finding the Fourth Proportional to 6,828.84, 10,242.90 and 2,211.48

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Solution

The fourth proportional to 6,828.84, 10,242.90 and 2,211.48 is: 3,317.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,828.84 : 10,242.90 = 2,211.48 : x
  2. Step 2: Convert to fraction form
    6,828.84/10,242.90 = 2,211.48/x
  3. Step 3: Cross multiply
    6,828.84x = 10,242.90 × 2,211.48
  4. Step 4: Simplify right side
    6,828.84x = 22,651,968.49
  5. Step 5: Solve for x
    x = 22,651,968.49/6,828.84
  6. Step 6: Final answer
    x = 3,317.10

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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.