Home / 9,157.19-13,735.47-3,888.82

Finding the Fourth Proportional to 9,157.19, 13,735.47 and 3,888.82

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Solution

The fourth proportional to 9,157.19, 13,735.47 and 3,888.82 is: 5,833.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,157.19 : 13,735.47 = 3,888.82 : x
  2. Step 2: Convert to fraction form
    9,157.19/13,735.47 = 3,888.82/x
  3. Step 3: Cross multiply
    9,157.19x = 13,735.47 × 3,888.82
  4. Step 4: Simplify right side
    9,157.19x = 53,414,770.45
  5. Step 5: Solve for x
    x = 53,414,770.45/9,157.19
  6. Step 6: Final answer
    x = 5,833.10

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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.