Home / 4,915.67-6,783.41-2,677.55

Finding the Fourth Proportional to 4,915.67, 6,783.41 and 2,677.55

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Solution

The fourth proportional to 4,915.67, 6,783.41 and 2,677.55 is: 3,694.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.67 : 6,783.41 = 2,677.55 : x
  2. Step 2: Convert to fraction form
    4,915.67/6,783.41 = 2,677.55/x
  3. Step 3: Cross multiply
    4,915.67x = 6,783.41 × 2,677.55
  4. Step 4: Simplify right side
    4,915.67x = 18,162,892.22
  5. Step 5: Solve for x
    x = 18,162,892.22/4,915.67
  6. Step 6: Final answer
    x = 3,694.90

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1.5x scale

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.