Home / 7,219.78-10,828.77-2,026.06

Finding the Fourth Proportional to 7,219.78, 10,828.77 and 2,026.06

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Solution

The fourth proportional to 7,219.78, 10,828.77 and 2,026.06 is: 3,038.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.78 : 10,828.77 = 2,026.06 : x
  2. Step 2: Convert to fraction form
    7,219.78/10,828.77 = 2,026.06/x
  3. Step 3: Cross multiply
    7,219.78x = 10,828.77 × 2,026.06
  4. Step 4: Simplify right side
    7,219.78x = 21,939,737.75
  5. Step 5: Solve for x
    x = 21,939,737.75/7,219.78
  6. Step 6: Final answer
    x = 3,038.84

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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.