Home / 7,448.55-11,172.83-6,622.35

Finding the Fourth Proportional to 7,448.55, 11,172.83 and 6,622.35

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Solution

The fourth proportional to 7,448.55, 11,172.83 and 6,622.35 is: 9,933.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.55 : 11,172.83 = 6,622.35 : x
  2. Step 2: Convert to fraction form
    7,448.55/11,172.83 = 6,622.35/x
  3. Step 3: Cross multiply
    7,448.55x = 11,172.83 × 6,622.35
  4. Step 4: Simplify right side
    7,448.55x = 73,990,357.64
  5. Step 5: Solve for x
    x = 73,990,357.64/7,448.55
  6. Step 6: Final answer
    x = 9,933.53

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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.