Home / 9,313.38-13,970.10-2,739.72

Finding the Fourth Proportional to 9,313.38, 13,970.10 and 2,739.72

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Solution

The fourth proportional to 9,313.38, 13,970.10 and 2,739.72 is: 4,109.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,313.38 : 13,970.10 = 2,739.72 : x
  2. Step 2: Convert to fraction form
    9,313.38/13,970.10 = 2,739.72/x
  3. Step 3: Cross multiply
    9,313.38x = 13,970.10 × 2,739.72
  4. Step 4: Simplify right side
    9,313.38x = 38,274,162.37
  5. Step 5: Solve for x
    x = 38,274,162.37/9,313.38
  6. Step 6: Final answer
    x = 4,109.59

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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.