Home / 4,081.51-6,125.36-2,988.68

Finding the Fourth Proportional to 4,081.51, 6,125.36 and 2,988.68

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Solution

The fourth proportional to 4,081.51, 6,125.36 and 2,988.68 is: 4,485.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.51 : 6,125.36 = 2,988.68 : x
  2. Step 2: Convert to fraction form
    4,081.51/6,125.36 = 2,988.68/x
  3. Step 3: Cross multiply
    4,081.51x = 6,125.36 × 2,988.68
  4. Step 4: Simplify right side
    4,081.51x = 18,306,740.92
  5. Step 5: Solve for x
    x = 18,306,740.92/4,081.51
  6. Step 6: Final answer
    x = 4,485.29

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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.