Home / 4,809.12-6,635.30-2,894.49

Finding the Fourth Proportional to 4,809.12, 6,635.30 and 2,894.49

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Solution

The fourth proportional to 4,809.12, 6,635.30 and 2,894.49 is: 3,993.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809.12 : 6,635.30 = 2,894.49 : x
  2. Step 2: Convert to fraction form
    4,809.12/6,635.30 = 2,894.49/x
  3. Step 3: Cross multiply
    4,809.12x = 6,635.30 × 2,894.49
  4. Step 4: Simplify right side
    4,809.12x = 19,205,795.02
  5. Step 5: Solve for x
    x = 19,205,795.02/4,809.12
  6. Step 6: Final answer
    x = 3,993.62

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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.