Home / 8,505.45-11,739.96-5,676.93

Finding the Fourth Proportional to 8,505.45, 11,739.96 and 5,676.93

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Solution

The fourth proportional to 8,505.45, 11,739.96 and 5,676.93 is: 7,835.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,505.45 : 11,739.96 = 5,676.93 : x
  2. Step 2: Convert to fraction form
    8,505.45/11,739.96 = 5,676.93/x
  3. Step 3: Cross multiply
    8,505.45x = 11,739.96 × 5,676.93
  4. Step 4: Simplify right side
    8,505.45x = 66,646,931.12
  5. Step 5: Solve for x
    x = 66,646,931.12/8,505.45
  6. Step 6: Final answer
    x = 7,835.79

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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.