Home / 4,984.95-6,885.79-3,723.81

Finding the Fourth Proportional to 4,984.95, 6,885.79 and 3,723.81

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Solution

The fourth proportional to 4,984.95, 6,885.79 and 3,723.81 is: 5,143.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.95 : 6,885.79 = 3,723.81 : x
  2. Step 2: Convert to fraction form
    4,984.95/6,885.79 = 3,723.81/x
  3. Step 3: Cross multiply
    4,984.95x = 6,885.79 × 3,723.81
  4. Step 4: Simplify right side
    4,984.95x = 25,641,373.66
  5. Step 5: Solve for x
    x = 25,641,373.66/4,984.95
  6. Step 6: Final answer
    x = 5,143.76

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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.