Home / 9,140.30-13,705.26-3,590.61

Finding the Fourth Proportional to 9,140.30, 13,705.26 and 3,590.61

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Solution

The fourth proportional to 9,140.30, 13,705.26 and 3,590.61 is: 5,383.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.30 : 13,705.26 = 3,590.61 : x
  2. Step 2: Convert to fraction form
    9,140.30/13,705.26 = 3,590.61/x
  3. Step 3: Cross multiply
    9,140.30x = 13,705.26 × 3,590.61
  4. Step 4: Simplify right side
    9,140.30x = 49,210,243.61
  5. Step 5: Solve for x
    x = 49,210,243.61/9,140.30
  6. Step 6: Final answer
    x = 5,383.88

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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.