Home / 4,079.51-6,122.36-2,986.68

Finding the Fourth Proportional to 4,079.51, 6,122.36 and 2,986.68

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Solution

The fourth proportional to 4,079.51, 6,122.36 and 2,986.68 is: 4,482.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.51 : 6,122.36 = 2,986.68 : x
  2. Step 2: Convert to fraction form
    4,079.51/6,122.36 = 2,986.68/x
  3. Step 3: Cross multiply
    4,079.51x = 6,122.36 × 2,986.68
  4. Step 4: Simplify right side
    4,079.51x = 18,285,530.16
  5. Step 5: Solve for x
    x = 18,285,530.16/4,079.51
  6. Step 6: Final answer
    x = 4,482.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.