Home / 4,910.22-6,774.48-2,920.50

Finding the Fourth Proportional to 4,910.22, 6,774.48 and 2,920.50

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Solution

The fourth proportional to 4,910.22, 6,774.48 and 2,920.50 is: 4,029.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.22 : 6,774.48 = 2,920.50 : x
  2. Step 2: Convert to fraction form
    4,910.22/6,774.48 = 2,920.50/x
  3. Step 3: Cross multiply
    4,910.22x = 6,774.48 × 2,920.50
  4. Step 4: Simplify right side
    4,910.22x = 19,784,868.84
  5. Step 5: Solve for x
    x = 19,784,868.84/4,910.22
  6. Step 6: Final answer
    x = 4,029.32

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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.