Home / 4,755.12-6,562.56-2,986.80

Finding the Fourth Proportional to 4,755.12, 6,562.56 and 2,986.80

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Solution

The fourth proportional to 4,755.12, 6,562.56 and 2,986.80 is: 4,122.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755.12 : 6,562.56 = 2,986.80 : x
  2. Step 2: Convert to fraction form
    4,755.12/6,562.56 = 2,986.80/x
  3. Step 3: Cross multiply
    4,755.12x = 6,562.56 × 2,986.80
  4. Step 4: Simplify right side
    4,755.12x = 19,601,054.21
  5. Step 5: Solve for x
    x = 19,601,054.21/4,755.12
  6. Step 6: Final answer
    x = 4,122.09

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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.