Home / 5,942.19-8,915.39-2,782.45

Finding the Fourth Proportional to 5,942.19, 8,915.39 and 2,782.45

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Solution

The fourth proportional to 5,942.19, 8,915.39 and 2,782.45 is: 4,174.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,942.19 : 8,915.39 = 2,782.45 : x
  2. Step 2: Convert to fraction form
    5,942.19/8,915.39 = 2,782.45/x
  3. Step 3: Cross multiply
    5,942.19x = 8,915.39 × 2,782.45
  4. Step 4: Simplify right side
    5,942.19x = 24,806,568.42
  5. Step 5: Solve for x
    x = 24,806,568.42/5,942.19
  6. Step 6: Final answer
    x = 4,174.65

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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.