Home / 5,333.37-7,998.83-1,438.08

Finding the Fourth Proportional to 5,333.37, 7,998.83 and 1,438.08

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Solution

The fourth proportional to 5,333.37, 7,998.83 and 1,438.08 is: 2,156.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,333.37 : 7,998.83 = 1,438.08 : x
  2. Step 2: Convert to fraction form
    5,333.37/7,998.83 = 1,438.08/x
  3. Step 3: Cross multiply
    5,333.37x = 7,998.83 × 1,438.08
  4. Step 4: Simplify right side
    5,333.37x = 11,502,957.45
  5. Step 5: Solve for x
    x = 11,502,957.45/5,333.37
  6. Step 6: Final answer
    x = 2,156.79

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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.