Home / 9,152.06-13,728.60-2,912.58

Finding the Fourth Proportional to 9,152.06, 13,728.60 and 2,912.58

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Solution

The fourth proportional to 9,152.06, 13,728.60 and 2,912.58 is: 4,369.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,152.06 : 13,728.60 = 2,912.58 : x
  2. Step 2: Convert to fraction form
    9,152.06/13,728.60 = 2,912.58/x
  3. Step 3: Cross multiply
    9,152.06x = 13,728.60 × 2,912.58
  4. Step 4: Simplify right side
    9,152.06x = 39,985,645.79
  5. Step 5: Solve for x
    x = 39,985,645.79/9,152.06
  6. Step 6: Final answer
    x = 4,369.03

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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.