Home / 6,514.78-8,989.44-3,824.98

Finding the Fourth Proportional to 6,514.78, 8,989.44 and 3,824.98

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Solution

The fourth proportional to 6,514.78, 8,989.44 and 3,824.98 is: 5,277.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,514.78 : 8,989.44 = 3,824.98 : x
  2. Step 2: Convert to fraction form
    6,514.78/8,989.44 = 3,824.98/x
  3. Step 3: Cross multiply
    6,514.78x = 8,989.44 × 3,824.98
  4. Step 4: Simplify right side
    6,514.78x = 34,384,428.21
  5. Step 5: Solve for x
    x = 34,384,428.21/6,514.78
  6. Step 6: Final answer
    x = 5,277.91

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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.