Home / 5,361.40-7,399.08-3,003.70

Finding the Fourth Proportional to 5,361.40, 7,399.08 and 3,003.70

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Solution

The fourth proportional to 5,361.40, 7,399.08 and 3,003.70 is: 4,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.40 : 7,399.08 = 3,003.70 : x
  2. Step 2: Convert to fraction form
    5,361.40/7,399.08 = 3,003.70/x
  3. Step 3: Cross multiply
    5,361.40x = 7,399.08 × 3,003.70
  4. Step 4: Simplify right side
    5,361.40x = 22,224,616.60
  5. Step 5: Solve for x
    x = 22,224,616.60/5,361.40
  6. Step 6: Final answer
    x = 4,145.30

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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.