Home / 7,903.09-11,846.40-3,221.07

Finding the Fourth Proportional to 7,903.09, 11,846.40 and 3,221.07

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Solution

The fourth proportional to 7,903.09, 11,846.40 and 3,221.07 is: 4,828.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903.09 : 11,846.40 = 3,221.07 : x
  2. Step 2: Convert to fraction form
    7,903.09/11,846.40 = 3,221.07/x
  3. Step 3: Cross multiply
    7,903.09x = 11,846.40 × 3,221.07
  4. Step 4: Simplify right side
    7,903.09x = 38,158,083.65
  5. Step 5: Solve for x
    x = 38,158,083.65/7,903.09
  6. Step 6: Final answer
    x = 4,828.25

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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.