Home / 7,417.94-11,118.70-4,949.36

Finding the Fourth Proportional to 7,417.94, 11,118.70 and 4,949.36

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Solution

The fourth proportional to 7,417.94, 11,118.70 and 4,949.36 is: 7,418.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.94 : 11,118.70 = 4,949.36 : x
  2. Step 2: Convert to fraction form
    7,417.94/11,118.70 = 4,949.36/x
  3. Step 3: Cross multiply
    7,417.94x = 11,118.70 × 4,949.36
  4. Step 4: Simplify right side
    7,417.94x = 55,030,449.03
  5. Step 5: Solve for x
    x = 55,030,449.03/7,417.94
  6. Step 6: Final answer
    x = 7,418.56

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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.