Home / 4,847.63-6,689.41-2,858.09

Finding the Fourth Proportional to 4,847.63, 6,689.41 and 2,858.09

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Solution

The fourth proportional to 4,847.63, 6,689.41 and 2,858.09 is: 3,943.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,847.63 : 6,689.41 = 2,858.09 : x
  2. Step 2: Convert to fraction form
    4,847.63/6,689.41 = 2,858.09/x
  3. Step 3: Cross multiply
    4,847.63x = 6,689.41 × 2,858.09
  4. Step 4: Simplify right side
    4,847.63x = 19,118,895.23
  5. Step 5: Solve for x
    x = 19,118,895.23/4,847.63
  6. Step 6: Final answer
    x = 3,943.97

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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.