Home / 4,720.60-6,514.41-3,228.49

Finding the Fourth Proportional to 4,720.60, 6,514.41 and 3,228.49

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Solution

The fourth proportional to 4,720.60, 6,514.41 and 3,228.49 is: 4,455.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.60 : 6,514.41 = 3,228.49 : x
  2. Step 2: Convert to fraction form
    4,720.60/6,514.41 = 3,228.49/x
  3. Step 3: Cross multiply
    4,720.60x = 6,514.41 × 3,228.49
  4. Step 4: Simplify right side
    4,720.60x = 21,031,707.54
  5. Step 5: Solve for x
    x = 21,031,707.54/4,720.60
  6. Step 6: Final answer
    x = 4,455.30

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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.