Home / 6,821.04-10,244.52-4,242

Finding the Fourth Proportional to 6,821.04, 10,244.52 and 4,242

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Solution

The fourth proportional to 6,821.04, 10,244.52 and 4,242 is: 6,371.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.04 : 10,244.52 = 4,242 : x
  2. Step 2: Convert to fraction form
    6,821.04/10,244.52 = 4,242/x
  3. Step 3: Cross multiply
    6,821.04x = 10,244.52 × 4,242
  4. Step 4: Simplify right side
    6,821.04x = 43,457,253.84
  5. Step 5: Solve for x
    x = 43,457,253.84/6,821.04
  6. Step 6: Final answer
    x = 6,371.06

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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.