Home / 5,611.68-8,450.46-4,889.70

Finding the Fourth Proportional to 5,611.68, 8,450.46 and 4,889.70

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Solution

The fourth proportional to 5,611.68, 8,450.46 and 4,889.70 is: 7,363.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.68 : 8,450.46 = 4,889.70 : x
  2. Step 2: Convert to fraction form
    5,611.68/8,450.46 = 4,889.70/x
  3. Step 3: Cross multiply
    5,611.68x = 8,450.46 × 4,889.70
  4. Step 4: Simplify right side
    5,611.68x = 41,320,214.26
  5. Step 5: Solve for x
    x = 41,320,214.26/5,611.68
  6. Step 6: Final answer
    x = 7,363.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.