Home / 5,091-7,022.70-2,966.28

Finding the Fourth Proportional to 5,091, 7,022.70 and 2,966.28

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Solution

The fourth proportional to 5,091, 7,022.70 and 2,966.28 is: 4,091.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091 : 7,022.70 = 2,966.28 : x
  2. Step 2: Convert to fraction form
    5,091/7,022.70 = 2,966.28/x
  3. Step 3: Cross multiply
    5,091x = 7,022.70 × 2,966.28
  4. Step 4: Simplify right side
    5,091x = 20,831,294.56
  5. Step 5: Solve for x
    x = 20,831,294.56/5,091
  6. Step 6: Final answer
    x = 4,091.79

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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.