Home / 5,076.75-7,006.73-2,980.47

Finding the Fourth Proportional to 5,076.75, 7,006.73 and 2,980.47

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Solution

The fourth proportional to 5,076.75, 7,006.73 and 2,980.47 is: 4,113.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.75 : 7,006.73 = 2,980.47 : x
  2. Step 2: Convert to fraction form
    5,076.75/7,006.73 = 2,980.47/x
  3. Step 3: Cross multiply
    5,076.75x = 7,006.73 × 2,980.47
  4. Step 4: Simplify right side
    5,076.75x = 20,883,333.66
  5. Step 5: Solve for x
    x = 20,883,333.66/5,076.75
  6. Step 6: Final answer
    x = 4,113.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.