Home / 6,514.64-9,775.92-2,817.84

Finding the Fourth Proportional to 6,514.64, 9,775.92 and 2,817.84

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Solution

The fourth proportional to 6,514.64, 9,775.92 and 2,817.84 is: 4,228.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,514.64 : 9,775.92 = 2,817.84 : x
  2. Step 2: Convert to fraction form
    6,514.64/9,775.92 = 2,817.84/x
  3. Step 3: Cross multiply
    6,514.64x = 9,775.92 × 2,817.84
  4. Step 4: Simplify right side
    6,514.64x = 27,546,978.41
  5. Step 5: Solve for x
    x = 27,546,978.41/6,514.64
  6. Step 6: Final answer
    x = 4,228.47

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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.