Home / 4,218.96-6,323.30-2,986.72

Finding the Fourth Proportional to 4,218.96, 6,323.30 and 2,986.72

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Solution

The fourth proportional to 4,218.96, 6,323.30 and 2,986.72 is: 4,476.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.96 : 6,323.30 = 2,986.72 : x
  2. Step 2: Convert to fraction form
    4,218.96/6,323.30 = 2,986.72/x
  3. Step 3: Cross multiply
    4,218.96x = 6,323.30 × 2,986.72
  4. Step 4: Simplify right side
    4,218.96x = 18,885,941.95
  5. Step 5: Solve for x
    x = 18,885,941.95/4,218.96
  6. Step 6: Final answer
    x = 4,476.45

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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.