Home / 7,114.08-9,805.68-4,755.36

Finding the Fourth Proportional to 7,114.08, 9,805.68 and 4,755.36

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Solution

The fourth proportional to 7,114.08, 9,805.68 and 4,755.36 is: 6,554.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,114.08 : 9,805.68 = 4,755.36 : x
  2. Step 2: Convert to fraction form
    7,114.08/9,805.68 = 4,755.36/x
  3. Step 3: Cross multiply
    7,114.08x = 9,805.68 × 4,755.36
  4. Step 4: Simplify right side
    7,114.08x = 46,629,538.44
  5. Step 5: Solve for x
    x = 46,629,538.44/7,114.08
  6. Step 6: Final answer
    x = 6,554.54

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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.