Home / 7,284.72-10,927-2,090.60

Finding the Fourth Proportional to 7,284.72, 10,927 and 2,090.60

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Solution

The fourth proportional to 7,284.72, 10,927 and 2,090.60 is: 3,135.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,284.72 : 10,927 = 2,090.60 : x
  2. Step 2: Convert to fraction form
    7,284.72/10,927 = 2,090.60/x
  3. Step 3: Cross multiply
    7,284.72x = 10,927 × 2,090.60
  4. Step 4: Simplify right side
    7,284.72x = 22,843,986.20
  5. Step 5: Solve for x
    x = 22,843,986.20/7,284.72
  6. Step 6: Final answer
    x = 3,135.88

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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.