Home / 7,718.44-10,651.45-4,181.63

Finding the Fourth Proportional to 7,718.44, 10,651.45 and 4,181.63

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Solution

The fourth proportional to 7,718.44, 10,651.45 and 4,181.63 is: 5,770.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.44 : 10,651.45 = 4,181.63 : x
  2. Step 2: Convert to fraction form
    7,718.44/10,651.45 = 4,181.63/x
  3. Step 3: Cross multiply
    7,718.44x = 10,651.45 × 4,181.63
  4. Step 4: Simplify right side
    7,718.44x = 44,540,366.99
  5. Step 5: Solve for x
    x = 44,540,366.99/7,718.44
  6. Step 6: Final answer
    x = 5,770.64

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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.