Home / 4,915.35-6,782.25-2,926.41

Finding the Fourth Proportional to 4,915.35, 6,782.25 and 2,926.41

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Solution

The fourth proportional to 4,915.35, 6,782.25 and 2,926.41 is: 4,037.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.35 : 6,782.25 = 2,926.41 : x
  2. Step 2: Convert to fraction form
    4,915.35/6,782.25 = 2,926.41/x
  3. Step 3: Cross multiply
    4,915.35x = 6,782.25 × 2,926.41
  4. Step 4: Simplify right side
    4,915.35x = 19,847,644.22
  5. Step 5: Solve for x
    x = 19,847,644.22/4,915.35
  6. Step 6: Final answer
    x = 4,037.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.