Home / 7,204.58-10,807.81-2,821.46

Finding the Fourth Proportional to 7,204.58, 10,807.81 and 2,821.46

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Solution

The fourth proportional to 7,204.58, 10,807.81 and 2,821.46 is: 4,232.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,204.58 : 10,807.81 = 2,821.46 : x
  2. Step 2: Convert to fraction form
    7,204.58/10,807.81 = 2,821.46/x
  3. Step 3: Cross multiply
    7,204.58x = 10,807.81 × 2,821.46
  4. Step 4: Simplify right side
    7,204.58x = 30,493,842.37
  5. Step 5: Solve for x
    x = 30,493,842.37/7,204.58
  6. Step 6: Final answer
    x = 4,232.57

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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.