Home / 6,828.15-10,242.35-2,148.03

Finding the Fourth Proportional to 6,828.15, 10,242.35 and 2,148.03

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Solution

The fourth proportional to 6,828.15, 10,242.35 and 2,148.03 is: 3,222.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,828.15 : 10,242.35 = 2,148.03 : x
  2. Step 2: Convert to fraction form
    6,828.15/10,242.35 = 2,148.03/x
  3. Step 3: Cross multiply
    6,828.15x = 10,242.35 × 2,148.03
  4. Step 4: Simplify right side
    6,828.15x = 22,000,864.33
  5. Step 5: Solve for x
    x = 22,000,864.33/6,828.15
  6. Step 6: Final answer
    x = 3,222.08

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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.