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Finding the Fourth Proportional to 7,361.97, 10,158.41 and 4,529.81

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Solution

The fourth proportional to 7,361.97, 10,158.41 and 4,529.81 is: 6,250.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,361.97 : 10,158.41 = 4,529.81 : x
  2. Step 2: Convert to fraction form
    7,361.97/10,158.41 = 4,529.81/x
  3. Step 3: Cross multiply
    7,361.97x = 10,158.41 × 4,529.81
  4. Step 4: Simplify right side
    7,361.97x = 46,015,593.76
  5. Step 5: Solve for x
    x = 46,015,593.76/7,361.97
  6. Step 6: Final answer
    x = 6,250.45

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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.