Home / 5,243.93-7,236.61-2,886.22

Finding the Fourth Proportional to 5,243.93, 7,236.61 and 2,886.22

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Solution

The fourth proportional to 5,243.93, 7,236.61 and 2,886.22 is: 3,982.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.93 : 7,236.61 = 2,886.22 : x
  2. Step 2: Convert to fraction form
    5,243.93/7,236.61 = 2,886.22/x
  3. Step 3: Cross multiply
    5,243.93x = 7,236.61 × 2,886.22
  4. Step 4: Simplify right side
    5,243.93x = 20,886,448.51
  5. Step 5: Solve for x
    x = 20,886,448.51/5,243.93
  6. Step 6: Final answer
    x = 3,982.98

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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.