Home / 5,460.21-8,176.95-2,539.35

Finding the Fourth Proportional to 5,460.21, 8,176.95 and 2,539.35

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Solution

The fourth proportional to 5,460.21, 8,176.95 and 2,539.35 is: 3,802.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460.21 : 8,176.95 = 2,539.35 : x
  2. Step 2: Convert to fraction form
    5,460.21/8,176.95 = 2,539.35/x
  3. Step 3: Cross multiply
    5,460.21x = 8,176.95 × 2,539.35
  4. Step 4: Simplify right side
    5,460.21x = 20,764,137.98
  5. Step 5: Solve for x
    x = 20,764,137.98/5,460.21
  6. Step 6: Final answer
    x = 3,802.81

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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.