Home / 4,818.69-6,649.88-2,722.86

Finding the Fourth Proportional to 4,818.69, 6,649.88 and 2,722.86

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Solution

The fourth proportional to 4,818.69, 6,649.88 and 2,722.86 is: 3,757.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818.69 : 6,649.88 = 2,722.86 : x
  2. Step 2: Convert to fraction form
    4,818.69/6,649.88 = 2,722.86/x
  3. Step 3: Cross multiply
    4,818.69x = 6,649.88 × 2,722.86
  4. Step 4: Simplify right side
    4,818.69x = 18,106,678.64
  5. Step 5: Solve for x
    x = 18,106,678.64/4,818.69
  6. Step 6: Final answer
    x = 3,757.59

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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.