Home / 4,608.28-6,912.45-1,145.53

Finding the Fourth Proportional to 4,608.28, 6,912.45 and 1,145.53

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Solution

The fourth proportional to 4,608.28, 6,912.45 and 1,145.53 is: 1,718.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,608.28 : 6,912.45 = 1,145.53 : x
  2. Step 2: Convert to fraction form
    4,608.28/6,912.45 = 1,145.53/x
  3. Step 3: Cross multiply
    4,608.28x = 6,912.45 × 1,145.53
  4. Step 4: Simplify right side
    4,608.28x = 7,918,424.27
  5. Step 5: Solve for x
    x = 7,918,424.27/4,608.28
  6. Step 6: Final answer
    x = 1,718.30

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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.