Home / 4,881.40-7,322.47-1,959.73

Finding the Fourth Proportional to 4,881.40, 7,322.47 and 1,959.73

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Solution

The fourth proportional to 4,881.40, 7,322.47 and 1,959.73 is: 2,939.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.40 : 7,322.47 = 1,959.73 : x
  2. Step 2: Convert to fraction form
    4,881.40/7,322.47 = 1,959.73/x
  3. Step 3: Cross multiply
    4,881.40x = 7,322.47 × 1,959.73
  4. Step 4: Simplify right side
    4,881.40x = 14,350,040.93
  5. Step 5: Solve for x
    x = 14,350,040.93/4,881.40
  6. Step 6: Final answer
    x = 2,939.74

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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.