Home / 7,703.07-11,554.62-1,859.69

Finding the Fourth Proportional to 7,703.07, 11,554.62 and 1,859.69

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Solution

The fourth proportional to 7,703.07, 11,554.62 and 1,859.69 is: 2,789.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,703.07 : 11,554.62 = 1,859.69 : x
  2. Step 2: Convert to fraction form
    7,703.07/11,554.62 = 1,859.69/x
  3. Step 3: Cross multiply
    7,703.07x = 11,554.62 × 1,859.69
  4. Step 4: Simplify right side
    7,703.07x = 21,488,033.18
  5. Step 5: Solve for x
    x = 21,488,033.18/7,703.07
  6. Step 6: Final answer
    x = 2,789.54

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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.