Home / 7,851.82-11,779.46-4,346.94

Finding the Fourth Proportional to 7,851.82, 11,779.46 and 4,346.94

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Solution

The fourth proportional to 7,851.82, 11,779.46 and 4,346.94 is: 6,521.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,851.82 : 11,779.46 = 4,346.94 : x
  2. Step 2: Convert to fraction form
    7,851.82/11,779.46 = 4,346.94/x
  3. Step 3: Cross multiply
    7,851.82x = 11,779.46 × 4,346.94
  4. Step 4: Simplify right side
    7,851.82x = 51,204,525.22
  5. Step 5: Solve for x
    x = 51,204,525.22/7,851.82
  6. Step 6: Final answer
    x = 6,521.36

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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.