Home / 5,146.64-7,101.80-2,908.51

Finding the Fourth Proportional to 5,146.64, 7,101.80 and 2,908.51

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Solution

The fourth proportional to 5,146.64, 7,101.80 and 2,908.51 is: 4,013.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.64 : 7,101.80 = 2,908.51 : x
  2. Step 2: Convert to fraction form
    5,146.64/7,101.80 = 2,908.51/x
  3. Step 3: Cross multiply
    5,146.64x = 7,101.80 × 2,908.51
  4. Step 4: Simplify right side
    5,146.64x = 20,655,659.53
  5. Step 5: Solve for x
    x = 20,655,659.53/5,146.64
  6. Step 6: Final answer
    x = 4,013.43

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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.