Home / 4,189.63-6,309.30-3,648.35

Finding the Fourth Proportional to 4,189.63, 6,309.30 and 3,648.35

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Solution

The fourth proportional to 4,189.63, 6,309.30 and 3,648.35 is: 5,494.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.63 : 6,309.30 = 3,648.35 : x
  2. Step 2: Convert to fraction form
    4,189.63/6,309.30 = 3,648.35/x
  3. Step 3: Cross multiply
    4,189.63x = 6,309.30 × 3,648.35
  4. Step 4: Simplify right side
    4,189.63x = 23,018,503.11
  5. Step 5: Solve for x
    x = 23,018,503.11/4,189.63
  6. Step 6: Final answer
    x = 5,494.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.