Home / 4,638.22-6,401.28-2,649.06

Finding the Fourth Proportional to 4,638.22, 6,401.28 and 2,649.06

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Solution

The fourth proportional to 4,638.22, 6,401.28 and 2,649.06 is: 3,656.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.22 : 6,401.28 = 2,649.06 : x
  2. Step 2: Convert to fraction form
    4,638.22/6,401.28 = 2,649.06/x
  3. Step 3: Cross multiply
    4,638.22x = 6,401.28 × 2,649.06
  4. Step 4: Simplify right side
    4,638.22x = 16,957,374.80
  5. Step 5: Solve for x
    x = 16,957,374.80/4,638.22
  6. Step 6: Final answer
    x = 3,656.01

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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.