Home / 7,360.47-10,157.34-4,003.21

Finding the Fourth Proportional to 7,360.47, 10,157.34 and 4,003.21

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Solution

The fourth proportional to 7,360.47, 10,157.34 and 4,003.21 is: 5,524.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,360.47 : 10,157.34 = 4,003.21 : x
  2. Step 2: Convert to fraction form
    7,360.47/10,157.34 = 4,003.21/x
  3. Step 3: Cross multiply
    7,360.47x = 10,157.34 × 4,003.21
  4. Step 4: Simplify right side
    7,360.47x = 40,661,949.68
  5. Step 5: Solve for x
    x = 40,661,949.68/7,360.47
  6. Step 6: Final answer
    x = 5,524.37

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Half scale
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Double scale
Find fourth proportional to 7,361.47, 10,158.72 and 4,004.21
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.