Home / 5,321.36-7,983.72-2,399.04

Finding the Fourth Proportional to 5,321.36, 7,983.72 and 2,399.04

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Solution

The fourth proportional to 5,321.36, 7,983.72 and 2,399.04 is: 3,599.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321.36 : 7,983.72 = 2,399.04 : x
  2. Step 2: Convert to fraction form
    5,321.36/7,983.72 = 2,399.04/x
  3. Step 3: Cross multiply
    5,321.36x = 7,983.72 × 2,399.04
  4. Step 4: Simplify right side
    5,321.36x = 19,153,263.63
  5. Step 5: Solve for x
    x = 19,153,263.63/5,321.36
  6. Step 6: Final answer
    x = 3,599.32

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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.