Home / 4,744.94-7,116.57-1,281.38

Finding the Fourth Proportional to 4,744.94, 7,116.57 and 1,281.38

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Solution

The fourth proportional to 4,744.94, 7,116.57 and 1,281.38 is: 1,921.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,744.94 : 7,116.57 = 1,281.38 : x
  2. Step 2: Convert to fraction form
    4,744.94/7,116.57 = 1,281.38/x
  3. Step 3: Cross multiply
    4,744.94x = 7,116.57 × 1,281.38
  4. Step 4: Simplify right side
    4,744.94x = 9,118,994.88
  5. Step 5: Solve for x
    x = 9,118,994.88/4,744.94
  6. Step 6: Final answer
    x = 1,921.84

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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.