Home / 6,825.88-10,239.38-2,878.28

Finding the Fourth Proportional to 6,825.88, 10,239.38 and 2,878.28

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Solution

The fourth proportional to 6,825.88, 10,239.38 and 2,878.28 is: 4,317.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,825.88 : 10,239.38 = 2,878.28 : x
  2. Step 2: Convert to fraction form
    6,825.88/10,239.38 = 2,878.28/x
  3. Step 3: Cross multiply
    6,825.88x = 10,239.38 × 2,878.28
  4. Step 4: Simplify right side
    6,825.88x = 29,471,802.67
  5. Step 5: Solve for x
    x = 29,471,802.67/6,825.88
  6. Step 6: Final answer
    x = 4,317.66

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1.5x scale

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.