Home / 4,986.10-6,878.62-2,995.50

Finding the Fourth Proportional to 4,986.10, 6,878.62 and 2,995.50

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Solution

The fourth proportional to 4,986.10, 6,878.62 and 2,995.50 is: 4,132.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.10 : 6,878.62 = 2,995.50 : x
  2. Step 2: Convert to fraction form
    4,986.10/6,878.62 = 2,995.50/x
  3. Step 3: Cross multiply
    4,986.10x = 6,878.62 × 2,995.50
  4. Step 4: Simplify right side
    4,986.10x = 20,604,906.21
  5. Step 5: Solve for x
    x = 20,604,906.21/4,986.10
  6. Step 6: Final answer
    x = 4,132.47

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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.