Home / 4,678.89-6,456.87-2,554.40

Finding the Fourth Proportional to 4,678.89, 6,456.87 and 2,554.40

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Solution

The fourth proportional to 4,678.89, 6,456.87 and 2,554.40 is: 3,525.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.89 : 6,456.87 = 2,554.40 : x
  2. Step 2: Convert to fraction form
    4,678.89/6,456.87 = 2,554.40/x
  3. Step 3: Cross multiply
    4,678.89x = 6,456.87 × 2,554.40
  4. Step 4: Simplify right side
    4,678.89x = 16,493,396.44
  5. Step 5: Solve for x
    x = 16,493,396.44/4,678.89
  6. Step 6: Final answer
    x = 3,525.07

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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.