Home / 4,910.69-6,776.75-2,814.82

Finding the Fourth Proportional to 4,910.69, 6,776.75 and 2,814.82

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Solution

The fourth proportional to 4,910.69, 6,776.75 and 2,814.82 is: 3,884.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.69 : 6,776.75 = 2,814.82 : x
  2. Step 2: Convert to fraction form
    4,910.69/6,776.75 = 2,814.82/x
  3. Step 3: Cross multiply
    4,910.69x = 6,776.75 × 2,814.82
  4. Step 4: Simplify right side
    4,910.69x = 19,075,331.44
  5. Step 5: Solve for x
    x = 19,075,331.44/4,910.69
  6. Step 6: Final answer
    x = 3,884.45

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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.