Home / 5,242.36-7,234.32-2,884.36

Finding the Fourth Proportional to 5,242.36, 7,234.32 and 2,884.36

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Solution

The fourth proportional to 5,242.36, 7,234.32 and 2,884.36 is: 3,980.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242.36 : 7,234.32 = 2,884.36 : x
  2. Step 2: Convert to fraction form
    5,242.36/7,234.32 = 2,884.36/x
  3. Step 3: Cross multiply
    5,242.36x = 7,234.32 × 2,884.36
  4. Step 4: Simplify right side
    5,242.36x = 20,866,383.24
  5. Step 5: Solve for x
    x = 20,866,383.24/5,242.36
  6. Step 6: Final answer
    x = 3,980.34

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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.