Home / 5,514.72-8,275.14-4,284.60

Finding the Fourth Proportional to 5,514.72, 8,275.14 and 4,284.60

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Solution

The fourth proportional to 5,514.72, 8,275.14 and 4,284.60 is: 6,429.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.72 : 8,275.14 = 4,284.60 : x
  2. Step 2: Convert to fraction form
    5,514.72/8,275.14 = 4,284.60/x
  3. Step 3: Cross multiply
    5,514.72x = 8,275.14 × 4,284.60
  4. Step 4: Simplify right side
    5,514.72x = 35,455,664.84
  5. Step 5: Solve for x
    x = 35,455,664.84/5,514.72
  6. Step 6: Final answer
    x = 6,429.28

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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.