Home / 5,025.69-7,539.93-2,103.30

Finding the Fourth Proportional to 5,025.69, 7,539.93 and 2,103.30

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Solution

The fourth proportional to 5,025.69, 7,539.93 and 2,103.30 is: 3,155.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,025.69 : 7,539.93 = 2,103.30 : x
  2. Step 2: Convert to fraction form
    5,025.69/7,539.93 = 2,103.30/x
  3. Step 3: Cross multiply
    5,025.69x = 7,539.93 × 2,103.30
  4. Step 4: Simplify right side
    5,025.69x = 15,858,734.77
  5. Step 5: Solve for x
    x = 15,858,734.77/5,025.69
  6. Step 6: Final answer
    x = 3,155.53

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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.