Home / 7,219-10,826.87-2,285.95

Finding the Fourth Proportional to 7,219, 10,826.87 and 2,285.95

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Solution

The fourth proportional to 7,219, 10,826.87 and 2,285.95 is: 3,428.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219 : 10,826.87 = 2,285.95 : x
  2. Step 2: Convert to fraction form
    7,219/10,826.87 = 2,285.95/x
  3. Step 3: Cross multiply
    7,219x = 10,826.87 × 2,285.95
  4. Step 4: Simplify right side
    7,219x = 24,749,683.48
  5. Step 5: Solve for x
    x = 24,749,683.48/7,219
  6. Step 6: Final answer
    x = 3,428.41

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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.