Home / 4,539.87-6,808.95-1,419.48

Finding the Fourth Proportional to 4,539.87, 6,808.95 and 1,419.48

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Solution

The fourth proportional to 4,539.87, 6,808.95 and 1,419.48 is: 2,128.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,539.87 : 6,808.95 = 1,419.48 : x
  2. Step 2: Convert to fraction form
    4,539.87/6,808.95 = 1,419.48/x
  3. Step 3: Cross multiply
    4,539.87x = 6,808.95 × 1,419.48
  4. Step 4: Simplify right side
    4,539.87x = 9,665,168.35
  5. Step 5: Solve for x
    x = 9,665,168.35/4,539.87
  6. Step 6: Final answer
    x = 2,128.95

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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.