Home / 5,361.41-7,398.89-3,003.70

Finding the Fourth Proportional to 5,361.41, 7,398.89 and 3,003.70

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Solution

The fourth proportional to 5,361.41, 7,398.89 and 3,003.70 is: 4,145.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.41 : 7,398.89 = 3,003.70 : x
  2. Step 2: Convert to fraction form
    5,361.41/7,398.89 = 3,003.70/x
  3. Step 3: Cross multiply
    5,361.41x = 7,398.89 × 3,003.70
  4. Step 4: Simplify right side
    5,361.41x = 22,224,045.89
  5. Step 5: Solve for x
    x = 22,224,045.89/5,361.41
  6. Step 6: Final answer
    x = 4,145.19

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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.