Home / 4,245.56-6,368.84-1,323.88

Finding the Fourth Proportional to 4,245.56, 6,368.84 and 1,323.88

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Solution

The fourth proportional to 4,245.56, 6,368.84 and 1,323.88 is: 1,985.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.56 : 6,368.84 = 1,323.88 : x
  2. Step 2: Convert to fraction form
    4,245.56/6,368.84 = 1,323.88/x
  3. Step 3: Cross multiply
    4,245.56x = 6,368.84 × 1,323.88
  4. Step 4: Simplify right side
    4,245.56x = 8,431,579.90
  5. Step 5: Solve for x
    x = 8,431,579.90/4,245.56
  6. Step 6: Final answer
    x = 1,985.98

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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.