Home / 9,028.17-13,539.84-3,478.43

Finding the Fourth Proportional to 9,028.17, 13,539.84 and 3,478.43

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Solution

The fourth proportional to 9,028.17, 13,539.84 and 3,478.43 is: 5,216.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,028.17 : 13,539.84 = 3,478.43 : x
  2. Step 2: Convert to fraction form
    9,028.17/13,539.84 = 3,478.43/x
  3. Step 3: Cross multiply
    9,028.17x = 13,539.84 × 3,478.43
  4. Step 4: Simplify right side
    9,028.17x = 47,097,317.95
  5. Step 5: Solve for x
    x = 47,097,317.95/9,028.17
  6. Step 6: Final answer
    x = 5,216.71

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1.5x scale

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.