Home / 7,135.21-10,705.88-3,847.53

Finding the Fourth Proportional to 7,135.21, 10,705.88 and 3,847.53

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Solution

The fourth proportional to 7,135.21, 10,705.88 and 3,847.53 is: 5,772.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.21 : 10,705.88 = 3,847.53 : x
  2. Step 2: Convert to fraction form
    7,135.21/10,705.88 = 3,847.53/x
  3. Step 3: Cross multiply
    7,135.21x = 10,705.88 × 3,847.53
  4. Step 4: Simplify right side
    7,135.21x = 41,191,194.48
  5. Step 5: Solve for x
    x = 41,191,194.48/7,135.21
  6. Step 6: Final answer
    x = 5,772.95

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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.