Home / 6,731.37-9,281.79-5,786.10

Finding the Fourth Proportional to 6,731.37, 9,281.79 and 5,786.10

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Solution

The fourth proportional to 6,731.37, 9,281.79 and 5,786.10 is: 7,978.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,731.37 : 9,281.79 = 5,786.10 : x
  2. Step 2: Convert to fraction form
    6,731.37/9,281.79 = 5,786.10/x
  3. Step 3: Cross multiply
    6,731.37x = 9,281.79 × 5,786.10
  4. Step 4: Simplify right side
    6,731.37x = 53,705,365.12
  5. Step 5: Solve for x
    x = 53,705,365.12/6,731.37
  6. Step 6: Final answer
    x = 7,978.37

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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.