Home / 9,215.29-13,809.03-4,279.15

Finding the Fourth Proportional to 9,215.29, 13,809.03 and 4,279.15

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Solution

The fourth proportional to 9,215.29, 13,809.03 and 4,279.15 is: 6,412.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215.29 : 13,809.03 = 4,279.15 : x
  2. Step 2: Convert to fraction form
    9,215.29/13,809.03 = 4,279.15/x
  3. Step 3: Cross multiply
    9,215.29x = 13,809.03 × 4,279.15
  4. Step 4: Simplify right side
    9,215.29x = 59,090,910.72
  5. Step 5: Solve for x
    x = 59,090,910.72/9,215.29
  6. Step 6: Final answer
    x = 6,412.27

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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.