Home / 5,081.67-7,015.01-3,405.51

Finding the Fourth Proportional to 5,081.67, 7,015.01 and 3,405.51

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Solution

The fourth proportional to 5,081.67, 7,015.01 and 3,405.51 is: 4,701.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.67 : 7,015.01 = 3,405.51 : x
  2. Step 2: Convert to fraction form
    5,081.67/7,015.01 = 3,405.51/x
  3. Step 3: Cross multiply
    5,081.67x = 7,015.01 × 3,405.51
  4. Step 4: Simplify right side
    5,081.67x = 23,889,669.68
  5. Step 5: Solve for x
    x = 23,889,669.68/5,081.67
  6. Step 6: Final answer
    x = 4,701.15

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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.