Home / 7,345.26-11,017.89-2,151

Finding the Fourth Proportional to 7,345.26, 11,017.89 and 2,151

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Solution

The fourth proportional to 7,345.26, 11,017.89 and 2,151 is: 3,226.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.26 : 11,017.89 = 2,151 : x
  2. Step 2: Convert to fraction form
    7,345.26/11,017.89 = 2,151/x
  3. Step 3: Cross multiply
    7,345.26x = 11,017.89 × 2,151
  4. Step 4: Simplify right side
    7,345.26x = 23,699,481.39
  5. Step 5: Solve for x
    x = 23,699,481.39/7,345.26
  6. Step 6: Final answer
    x = 3,226.50

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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.