Home / 4,945.12-6,869.56-4,899.04

Finding the Fourth Proportional to 4,945.12, 6,869.56 and 4,899.04

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Solution

The fourth proportional to 4,945.12, 6,869.56 and 4,899.04 is: 6,805.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.12 : 6,869.56 = 4,899.04 : x
  2. Step 2: Convert to fraction form
    4,945.12/6,869.56 = 4,899.04/x
  3. Step 3: Cross multiply
    4,945.12x = 6,869.56 × 4,899.04
  4. Step 4: Simplify right side
    4,945.12x = 33,654,249.22
  5. Step 5: Solve for x
    x = 33,654,249.22/4,945.12
  6. Step 6: Final answer
    x = 6,805.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.