Home / 4,908.45-6,774.63-2,784.02

Finding the Fourth Proportional to 4,908.45, 6,774.63 and 2,784.02

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Solution

The fourth proportional to 4,908.45, 6,774.63 and 2,784.02 is: 3,842.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.45 : 6,774.63 = 2,784.02 : x
  2. Step 2: Convert to fraction form
    4,908.45/6,774.63 = 2,784.02/x
  3. Step 3: Cross multiply
    4,908.45x = 6,774.63 × 2,784.02
  4. Step 4: Simplify right side
    4,908.45x = 18,860,705.41
  5. Step 5: Solve for x
    x = 18,860,705.41/4,908.45
  6. Step 6: Final answer
    x = 3,842.50

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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.