Home / 7,020.20-10,533.96-2,863.28

Finding the Fourth Proportional to 7,020.20, 10,533.96 and 2,863.28

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Solution

The fourth proportional to 7,020.20, 10,533.96 and 2,863.28 is: 4,296.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.20 : 10,533.96 = 2,863.28 : x
  2. Step 2: Convert to fraction form
    7,020.20/10,533.96 = 2,863.28/x
  3. Step 3: Cross multiply
    7,020.20x = 10,533.96 × 2,863.28
  4. Step 4: Simplify right side
    7,020.20x = 30,161,676.99
  5. Step 5: Solve for x
    x = 30,161,676.99/7,020.20
  6. Step 6: Final answer
    x = 4,296.41

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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.