Home / 8,342.26-11,507.88-5,157.34

Finding the Fourth Proportional to 8,342.26, 11,507.88 and 5,157.34

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Solution

The fourth proportional to 8,342.26, 11,507.88 and 5,157.34 is: 7,114.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342.26 : 11,507.88 = 5,157.34 : x
  2. Step 2: Convert to fraction form
    8,342.26/11,507.88 = 5,157.34/x
  3. Step 3: Cross multiply
    8,342.26x = 11,507.88 × 5,157.34
  4. Step 4: Simplify right side
    8,342.26x = 59,350,049.84
  5. Step 5: Solve for x
    x = 59,350,049.84/8,342.26
  6. Step 6: Final answer
    x = 7,114.39

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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.