Home / 4,991.63-7,488.05-2,068.34

Finding the Fourth Proportional to 4,991.63, 7,488.05 and 2,068.34

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Solution

The fourth proportional to 4,991.63, 7,488.05 and 2,068.34 is: 3,102.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.63 : 7,488.05 = 2,068.34 : x
  2. Step 2: Convert to fraction form
    4,991.63/7,488.05 = 2,068.34/x
  3. Step 3: Cross multiply
    4,991.63x = 7,488.05 × 2,068.34
  4. Step 4: Simplify right side
    4,991.63x = 15,487,785.56
  5. Step 5: Solve for x
    x = 15,487,785.56/4,991.63
  6. Step 6: Final answer
    x = 3,102.75

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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.