Home / 4,115.25-5,679.06-2,875.41

Finding the Fourth Proportional to 4,115.25, 5,679.06 and 2,875.41

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Solution

The fourth proportional to 4,115.25, 5,679.06 and 2,875.41 is: 3,968.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.25 : 5,679.06 = 2,875.41 : x
  2. Step 2: Convert to fraction form
    4,115.25/5,679.06 = 2,875.41/x
  3. Step 3: Cross multiply
    4,115.25x = 5,679.06 × 2,875.41
  4. Step 4: Simplify right side
    4,115.25x = 16,329,625.91
  5. Step 5: Solve for x
    x = 16,329,625.91/4,115.25
  6. Step 6: Final answer
    x = 3,968.08

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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.