Home / 4,687.09-6,467.99-2,798.98

Finding the Fourth Proportional to 4,687.09, 6,467.99 and 2,798.98

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Solution

The fourth proportional to 4,687.09, 6,467.99 and 2,798.98 is: 3,862.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.09 : 6,467.99 = 2,798.98 : x
  2. Step 2: Convert to fraction form
    4,687.09/6,467.99 = 2,798.98/x
  3. Step 3: Cross multiply
    4,687.09x = 6,467.99 × 2,798.98
  4. Step 4: Simplify right side
    4,687.09x = 18,103,774.65
  5. Step 5: Solve for x
    x = 18,103,774.65/4,687.09
  6. Step 6: Final answer
    x = 3,862.48

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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.