Home / 7,852.36-11,779.27-2,305.69

Finding the Fourth Proportional to 7,852.36, 11,779.27 and 2,305.69

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Solution

The fourth proportional to 7,852.36, 11,779.27 and 2,305.69 is: 3,458.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,852.36 : 11,779.27 = 2,305.69 : x
  2. Step 2: Convert to fraction form
    7,852.36/11,779.27 = 2,305.69/x
  3. Step 3: Cross multiply
    7,852.36x = 11,779.27 × 2,305.69
  4. Step 4: Simplify right side
    7,852.36x = 27,159,355.93
  5. Step 5: Solve for x
    x = 27,159,355.93/7,852.36
  6. Step 6: Final answer
    x = 3,458.75

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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.