Home / 6,718.09-10,077.37-2,557.48

Finding the Fourth Proportional to 6,718.09, 10,077.37 and 2,557.48

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Solution

The fourth proportional to 6,718.09, 10,077.37 and 2,557.48 is: 3,836.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718.09 : 10,077.37 = 2,557.48 : x
  2. Step 2: Convert to fraction form
    6,718.09/10,077.37 = 2,557.48/x
  3. Step 3: Cross multiply
    6,718.09x = 10,077.37 × 2,557.48
  4. Step 4: Simplify right side
    6,718.09x = 25,772,634.25
  5. Step 5: Solve for x
    x = 25,772,634.25/6,718.09
  6. Step 6: Final answer
    x = 3,836.30

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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.