Home / 6,511.22-8,984.96-3,678.84

Finding the Fourth Proportional to 6,511.22, 8,984.96 and 3,678.84

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Solution

The fourth proportional to 6,511.22, 8,984.96 and 3,678.84 is: 5,076.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511.22 : 8,984.96 = 3,678.84 : x
  2. Step 2: Convert to fraction form
    6,511.22/8,984.96 = 3,678.84/x
  3. Step 3: Cross multiply
    6,511.22x = 8,984.96 × 3,678.84
  4. Step 4: Simplify right side
    6,511.22x = 33,054,248.99
  5. Step 5: Solve for x
    x = 33,054,248.99/6,511.22
  6. Step 6: Final answer
    x = 5,076.50

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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.