Home / 4,242.94-6,363.57-1,431.50

Finding the Fourth Proportional to 4,242.94, 6,363.57 and 1,431.50

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Solution

The fourth proportional to 4,242.94, 6,363.57 and 1,431.50 is: 2,146.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242.94 : 6,363.57 = 1,431.50 : x
  2. Step 2: Convert to fraction form
    4,242.94/6,363.57 = 1,431.50/x
  3. Step 3: Cross multiply
    4,242.94x = 6,363.57 × 1,431.50
  4. Step 4: Simplify right side
    4,242.94x = 9,109,443.30
  5. Step 5: Solve for x
    x = 9,109,443.30/4,242.94
  6. Step 6: Final answer
    x = 2,146.96

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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.