Home / 5,554.30-7,659.97-3,315.36

Finding the Fourth Proportional to 5,554.30, 7,659.97 and 3,315.36

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Solution

The fourth proportional to 5,554.30, 7,659.97 and 3,315.36 is: 4,572.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,554.30 : 7,659.97 = 3,315.36 : x
  2. Step 2: Convert to fraction form
    5,554.30/7,659.97 = 3,315.36/x
  3. Step 3: Cross multiply
    5,554.30x = 7,659.97 × 3,315.36
  4. Step 4: Simplify right side
    5,554.30x = 25,395,513.94
  5. Step 5: Solve for x
    x = 25,395,513.94/5,554.30
  6. Step 6: Final answer
    x = 4,572.23

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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.