Home / 4,678.94-7,018.15-2,829.56

Finding the Fourth Proportional to 4,678.94, 7,018.15 and 2,829.56

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Solution

The fourth proportional to 4,678.94, 7,018.15 and 2,829.56 is: 4,244.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.94 : 7,018.15 = 2,829.56 : x
  2. Step 2: Convert to fraction form
    4,678.94/7,018.15 = 2,829.56/x
  3. Step 3: Cross multiply
    4,678.94x = 7,018.15 × 2,829.56
  4. Step 4: Simplify right side
    4,678.94x = 19,858,234.35
  5. Step 5: Solve for x
    x = 19,858,234.35/4,678.94
  6. Step 6: Final answer
    x = 4,244.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.