Home / 4,984.50-6,878.61-2,776.50

Finding the Fourth Proportional to 4,984.50, 6,878.61 and 2,776.50

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Solution

The fourth proportional to 4,984.50, 6,878.61 and 2,776.50 is: 3,831.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.50 : 6,878.61 = 2,776.50 : x
  2. Step 2: Convert to fraction form
    4,984.50/6,878.61 = 2,776.50/x
  3. Step 3: Cross multiply
    4,984.50x = 6,878.61 × 2,776.50
  4. Step 4: Simplify right side
    4,984.50x = 19,098,460.67
  5. Step 5: Solve for x
    x = 19,098,460.67/4,984.50
  6. Step 6: Final answer
    x = 3,831.57

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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.