Home / 4,260.21-5,881.79-2,918.07

Finding the Fourth Proportional to 4,260.21, 5,881.79 and 2,918.07

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Solution

The fourth proportional to 4,260.21, 5,881.79 and 2,918.07 is: 4,028.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.21 : 5,881.79 = 2,918.07 : x
  2. Step 2: Convert to fraction form
    4,260.21/5,881.79 = 2,918.07/x
  3. Step 3: Cross multiply
    4,260.21x = 5,881.79 × 2,918.07
  4. Step 4: Simplify right side
    4,260.21x = 17,163,474.95
  5. Step 5: Solve for x
    x = 17,163,474.95/4,260.21
  6. Step 6: Final answer
    x = 4,028.79

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1.5x scale

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.