Home / 5,343.36-8,016.96-1,881.12

Finding the Fourth Proportional to 5,343.36, 8,016.96 and 1,881.12

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Solution

The fourth proportional to 5,343.36, 8,016.96 and 1,881.12 is: 2,822.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.36 : 8,016.96 = 1,881.12 : x
  2. Step 2: Convert to fraction form
    5,343.36/8,016.96 = 1,881.12/x
  3. Step 3: Cross multiply
    5,343.36x = 8,016.96 × 1,881.12
  4. Step 4: Simplify right side
    5,343.36x = 15,080,863.80
  5. Step 5: Solve for x
    x = 15,080,863.80/5,343.36
  6. Step 6: Final answer
    x = 2,822.36

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1.5x scale

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.