Home / 4,678.98-6,456.89-2,554.43

Finding the Fourth Proportional to 4,678.98, 6,456.89 and 2,554.43

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Solution

The fourth proportional to 4,678.98, 6,456.89 and 2,554.43 is: 3,525.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.98 : 6,456.89 = 2,554.43 : x
  2. Step 2: Convert to fraction form
    4,678.98/6,456.89 = 2,554.43/x
  3. Step 3: Cross multiply
    4,678.98x = 6,456.89 × 2,554.43
  4. Step 4: Simplify right side
    4,678.98x = 16,493,653.21
  5. Step 5: Solve for x
    x = 16,493,653.21/4,678.98
  6. Step 6: Final answer
    x = 3,525.05

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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.