Home / 7,364.45-10,163.21-4,221.24

Finding the Fourth Proportional to 7,364.45, 10,163.21 and 4,221.24

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Solution

The fourth proportional to 7,364.45, 10,163.21 and 4,221.24 is: 5,825.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,364.45 : 10,163.21 = 4,221.24 : x
  2. Step 2: Convert to fraction form
    7,364.45/10,163.21 = 4,221.24/x
  3. Step 3: Cross multiply
    7,364.45x = 10,163.21 × 4,221.24
  4. Step 4: Simplify right side
    7,364.45x = 42,901,348.58
  5. Step 5: Solve for x
    x = 42,901,348.58/7,364.45
  6. Step 6: Final answer
    x = 5,825.47

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Half scale
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Double scale
Find fourth proportional to 7,365.45, 10,164.59 and 4,222.24
Similar ratio
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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.