Home / 4,448.80-6,679.04-2,977.48

Finding the Fourth Proportional to 4,448.80, 6,679.04 and 2,977.48

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Solution

The fourth proportional to 4,448.80, 6,679.04 and 2,977.48 is: 4,470.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,448.80 : 6,679.04 = 2,977.48 : x
  2. Step 2: Convert to fraction form
    4,448.80/6,679.04 = 2,977.48/x
  3. Step 3: Cross multiply
    4,448.80x = 6,679.04 × 2,977.48
  4. Step 4: Simplify right side
    4,448.80x = 19,886,708.02
  5. Step 5: Solve for x
    x = 19,886,708.02/4,448.80
  6. Step 6: Final answer
    x = 4,470.13

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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.