Home / 6,829.49-10,240.00-2,878.72

Finding the Fourth Proportional to 6,829.49, 10,240.00 and 2,878.72

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Solution

The fourth proportional to 6,829.49, 10,240.00 and 2,878.72 is: 4,316.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,829.49 : 10,240.00 = 2,878.72 : x
  2. Step 2: Convert to fraction form
    6,829.49/10,240.00 = 2,878.72/x
  3. Step 3: Cross multiply
    6,829.49x = 10,240.00 × 2,878.72
  4. Step 4: Simplify right side
    6,829.49x = 29,478,060.00
  5. Step 5: Solve for x
    x = 29,478,060.00/6,829.49
  6. Step 6: Final answer
    x = 4,316.29

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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.