Home / 6,828.66-10,242.88-2,211.66

Finding the Fourth Proportional to 6,828.66, 10,242.88 and 2,211.66

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Solution

The fourth proportional to 6,828.66, 10,242.88 and 2,211.66 is: 3,317.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,828.66 : 10,242.88 = 2,211.66 : x
  2. Step 2: Convert to fraction form
    6,828.66/10,242.88 = 2,211.66/x
  3. Step 3: Cross multiply
    6,828.66x = 10,242.88 × 2,211.66
  4. Step 4: Simplify right side
    6,828.66x = 22,653,762.45
  5. Step 5: Solve for x
    x = 22,653,762.45/6,828.66
  6. Step 6: Final answer
    x = 3,317.45

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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.