Home / 4,821.12-6,651.72-2,958.12

Finding the Fourth Proportional to 4,821.12, 6,651.72 and 2,958.12

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Solution

The fourth proportional to 4,821.12, 6,651.72 and 2,958.12 is: 4,081.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.12 : 6,651.72 = 2,958.12 : x
  2. Step 2: Convert to fraction form
    4,821.12/6,651.72 = 2,958.12/x
  3. Step 3: Cross multiply
    4,821.12x = 6,651.72 × 2,958.12
  4. Step 4: Simplify right side
    4,821.12x = 19,676,585.97
  5. Step 5: Solve for x
    x = 19,676,585.97/4,821.12
  6. Step 6: Final answer
    x = 4,081.33

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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.