Home / 6,501.09-9,751.91-2,118.59

Finding the Fourth Proportional to 6,501.09, 9,751.91 and 2,118.59

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Solution

The fourth proportional to 6,501.09, 9,751.91 and 2,118.59 is: 3,177.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,501.09 : 9,751.91 = 2,118.59 : x
  2. Step 2: Convert to fraction form
    6,501.09/9,751.91 = 2,118.59/x
  3. Step 3: Cross multiply
    6,501.09x = 9,751.91 × 2,118.59
  4. Step 4: Simplify right side
    6,501.09x = 20,660,239.65
  5. Step 5: Solve for x
    x = 20,660,239.65/6,501.09
  6. Step 6: Final answer
    x = 3,177.97

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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.