Home / 4,984.22-6,878.07-2,715.62

Finding the Fourth Proportional to 4,984.22, 6,878.07 and 2,715.62

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Solution

The fourth proportional to 4,984.22, 6,878.07 and 2,715.62 is: 3,747.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.22 : 6,878.07 = 2,715.62 : x
  2. Step 2: Convert to fraction form
    4,984.22/6,878.07 = 2,715.62/x
  3. Step 3: Cross multiply
    4,984.22x = 6,878.07 × 2,715.62
  4. Step 4: Simplify right side
    4,984.22x = 18,678,190.06
  5. Step 5: Solve for x
    x = 18,678,190.06/4,984.22
  6. Step 6: Final answer
    x = 3,747.47

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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.