Home / 9,313.91-13,971.12-2,740.31

Finding the Fourth Proportional to 9,313.91, 13,971.12 and 2,740.31

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Solution

The fourth proportional to 9,313.91, 13,971.12 and 2,740.31 is: 4,110.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,313.91 : 13,971.12 = 2,740.31 : x
  2. Step 2: Convert to fraction form
    9,313.91/13,971.12 = 2,740.31/x
  3. Step 3: Cross multiply
    9,313.91x = 13,971.12 × 2,740.31
  4. Step 4: Simplify right side
    9,313.91x = 38,285,123.14
  5. Step 5: Solve for x
    x = 38,285,123.14/9,313.91
  6. Step 6: Final answer
    x = 4,110.53

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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.