Home / 7,345.14-11,021.75-3,185.18

Finding the Fourth Proportional to 7,345.14, 11,021.75 and 3,185.18

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Solution

The fourth proportional to 7,345.14, 11,021.75 and 3,185.18 is: 4,779.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.14 : 11,021.75 = 3,185.18 : x
  2. Step 2: Convert to fraction form
    7,345.14/11,021.75 = 3,185.18/x
  3. Step 3: Cross multiply
    7,345.14x = 11,021.75 × 3,185.18
  4. Step 4: Simplify right side
    7,345.14x = 35,106,257.67
  5. Step 5: Solve for x
    x = 35,106,257.67/7,345.14
  6. Step 6: Final answer
    x = 4,779.52

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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.