Home / 6,828.10-10,242.28-2,148.02

Finding the Fourth Proportional to 6,828.10, 10,242.28 and 2,148.02

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Solution

The fourth proportional to 6,828.10, 10,242.28 and 2,148.02 is: 3,222.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,828.10 : 10,242.28 = 2,148.02 : x
  2. Step 2: Convert to fraction form
    6,828.10/10,242.28 = 2,148.02/x
  3. Step 3: Cross multiply
    6,828.10x = 10,242.28 × 2,148.02
  4. Step 4: Simplify right side
    6,828.10x = 22,000,622.29
  5. Step 5: Solve for x
    x = 22,000,622.29/6,828.10
  6. Step 6: Final answer
    x = 3,222.07

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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.