Home / 5,361.20-8,041.80-2,440.34

Finding the Fourth Proportional to 5,361.20, 8,041.80 and 2,440.34

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Solution

The fourth proportional to 5,361.20, 8,041.80 and 2,440.34 is: 3,660.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.20 : 8,041.80 = 2,440.34 : x
  2. Step 2: Convert to fraction form
    5,361.20/8,041.80 = 2,440.34/x
  3. Step 3: Cross multiply
    5,361.20x = 8,041.80 × 2,440.34
  4. Step 4: Simplify right side
    5,361.20x = 19,624,726.21
  5. Step 5: Solve for x
    x = 19,624,726.21/5,361.20
  6. Step 6: Final answer
    x = 3,660.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.