Home / 5,333.46-7,999.65-1,438.26

Finding the Fourth Proportional to 5,333.46, 7,999.65 and 1,438.26

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Solution

The fourth proportional to 5,333.46, 7,999.65 and 1,438.26 is: 2,157.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,333.46 : 7,999.65 = 1,438.26 : x
  2. Step 2: Convert to fraction form
    5,333.46/7,999.65 = 1,438.26/x
  3. Step 3: Cross multiply
    5,333.46x = 7,999.65 × 1,438.26
  4. Step 4: Simplify right side
    5,333.46x = 11,505,576.61
  5. Step 5: Solve for x
    x = 11,505,576.61/5,333.46
  6. Step 6: Final answer
    x = 2,157.24

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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.