Home / 4,974-7,456.35-1,684.80

Finding the Fourth Proportional to 4,974, 7,456.35 and 1,684.80

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Solution

The fourth proportional to 4,974, 7,456.35 and 1,684.80 is: 2,525.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,974 : 7,456.35 = 1,684.80 : x
  2. Step 2: Convert to fraction form
    4,974/7,456.35 = 1,684.80/x
  3. Step 3: Cross multiply
    4,974x = 7,456.35 × 1,684.80
  4. Step 4: Simplify right side
    4,974x = 12,562,458.48
  5. Step 5: Solve for x
    x = 12,562,458.48/4,974
  6. Step 6: Final answer
    x = 2,525.62

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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.