Home / 5,284.12-7,918.84-5,126.44

Finding the Fourth Proportional to 5,284.12, 7,918.84 and 5,126.44

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Solution

The fourth proportional to 5,284.12, 7,918.84 and 5,126.44 is: 7,682.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.12 : 7,918.84 = 5,126.44 : x
  2. Step 2: Convert to fraction form
    5,284.12/7,918.84 = 5,126.44/x
  3. Step 3: Cross multiply
    5,284.12x = 7,918.84 × 5,126.44
  4. Step 4: Simplify right side
    5,284.12x = 40,595,458.13
  5. Step 5: Solve for x
    x = 40,595,458.13/5,284.12
  6. Step 6: Final answer
    x = 7,682.54

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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.