Home / 4,608.39-6,912.58-1,145.64

Finding the Fourth Proportional to 4,608.39, 6,912.58 and 1,145.64

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Solution

The fourth proportional to 4,608.39, 6,912.58 and 1,145.64 is: 1,718.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,608.39 : 6,912.58 = 1,145.64 : x
  2. Step 2: Convert to fraction form
    4,608.39/6,912.58 = 1,145.64/x
  3. Step 3: Cross multiply
    4,608.39x = 6,912.58 × 1,145.64
  4. Step 4: Simplify right side
    4,608.39x = 7,919,287.86
  5. Step 5: Solve for x
    x = 7,919,287.86/4,608.39
  6. Step 6: Final answer
    x = 1,718.45

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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.