Home / 5,464.50-7,539.26-3,106.20

Finding the Fourth Proportional to 5,464.50, 7,539.26 and 3,106.20

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Solution

The fourth proportional to 5,464.50, 7,539.26 and 3,106.20 is: 4,285.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,464.50 : 7,539.26 = 3,106.20 : x
  2. Step 2: Convert to fraction form
    5,464.50/7,539.26 = 3,106.20/x
  3. Step 3: Cross multiply
    5,464.50x = 7,539.26 × 3,106.20
  4. Step 4: Simplify right side
    5,464.50x = 23,418,449.41
  5. Step 5: Solve for x
    x = 23,418,449.41/5,464.50
  6. Step 6: Final answer
    x = 4,285.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.