Home / 9,215.09-13,828.05-4,020.29

Finding the Fourth Proportional to 9,215.09, 13,828.05 and 4,020.29

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Solution

The fourth proportional to 9,215.09, 13,828.05 and 4,020.29 is: 6,032.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215.09 : 13,828.05 = 4,020.29 : x
  2. Step 2: Convert to fraction form
    9,215.09/13,828.05 = 4,020.29/x
  3. Step 3: Cross multiply
    9,215.09x = 13,828.05 × 4,020.29
  4. Step 4: Simplify right side
    9,215.09x = 55,592,771.13
  5. Step 5: Solve for x
    x = 55,592,771.13/9,215.09
  6. Step 6: Final answer
    x = 6,032.80

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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.