Home / 9,315.05-13,972.59-2,741.31

Finding the Fourth Proportional to 9,315.05, 13,972.59 and 2,741.31

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Solution

The fourth proportional to 9,315.05, 13,972.59 and 2,741.31 is: 4,111.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315.05 : 13,972.59 = 2,741.31 : x
  2. Step 2: Convert to fraction form
    9,315.05/13,972.59 = 2,741.31/x
  3. Step 3: Cross multiply
    9,315.05x = 13,972.59 × 2,741.31
  4. Step 4: Simplify right side
    9,315.05x = 38,303,200.69
  5. Step 5: Solve for x
    x = 38,303,200.69/9,315.05
  6. Step 6: Final answer
    x = 4,111.97

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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.