Home / 4,677.94-6,456.90-2,790.84

Finding the Fourth Proportional to 4,677.94, 6,456.90 and 2,790.84

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Solution

The fourth proportional to 4,677.94, 6,456.90 and 2,790.84 is: 3,852.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,677.94 : 6,456.90 = 2,790.84 : x
  2. Step 2: Convert to fraction form
    4,677.94/6,456.90 = 2,790.84/x
  3. Step 3: Cross multiply
    4,677.94x = 6,456.90 × 2,790.84
  4. Step 4: Simplify right side
    4,677.94x = 18,020,174.80
  5. Step 5: Solve for x
    x = 18,020,174.80/4,677.94
  6. Step 6: Final answer
    x = 3,852.16

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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.