Home / 8,703.30-13,054.92-2,129.40

Finding the Fourth Proportional to 8,703.30, 13,054.92 and 2,129.40

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Solution

The fourth proportional to 8,703.30, 13,054.92 and 2,129.40 is: 3,194.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703.30 : 13,054.92 = 2,129.40 : x
  2. Step 2: Convert to fraction form
    8,703.30/13,054.92 = 2,129.40/x
  3. Step 3: Cross multiply
    8,703.30x = 13,054.92 × 2,129.40
  4. Step 4: Simplify right side
    8,703.30x = 27,799,146.65
  5. Step 5: Solve for x
    x = 27,799,146.65/8,703.30
  6. Step 6: Final answer
    x = 3,194.09

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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.