Home / 7,852.24-11,779.64-2,585.68

Finding the Fourth Proportional to 7,852.24, 11,779.64 and 2,585.68

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Solution

The fourth proportional to 7,852.24, 11,779.64 and 2,585.68 is: 3,878.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,852.24 : 11,779.64 = 2,585.68 : x
  2. Step 2: Convert to fraction form
    7,852.24/11,779.64 = 2,585.68/x
  3. Step 3: Cross multiply
    7,852.24x = 11,779.64 × 2,585.68
  4. Step 4: Simplify right side
    7,852.24x = 30,458,379.56
  5. Step 5: Solve for x
    x = 30,458,379.56/7,852.24
  6. Step 6: Final answer
    x = 3,878.94

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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.