Home / 4,649.85-6,416.62-2,881.42

Finding the Fourth Proportional to 4,649.85, 6,416.62 and 2,881.42

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Solution

The fourth proportional to 4,649.85, 6,416.62 and 2,881.42 is: 3,976.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,649.85 : 6,416.62 = 2,881.42 : x
  2. Step 2: Convert to fraction form
    4,649.85/6,416.62 = 2,881.42/x
  3. Step 3: Cross multiply
    4,649.85x = 6,416.62 × 2,881.42
  4. Step 4: Simplify right side
    4,649.85x = 18,488,953.96
  5. Step 5: Solve for x
    x = 18,488,953.96/4,649.85
  6. Step 6: Final answer
    x = 3,976.25

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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.