Home / 8,969.51-13,456.31-2,730.40

Finding the Fourth Proportional to 8,969.51, 13,456.31 and 2,730.40

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Solution

The fourth proportional to 8,969.51, 13,456.31 and 2,730.40 is: 4,096.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,969.51 : 13,456.31 = 2,730.40 : x
  2. Step 2: Convert to fraction form
    8,969.51/13,456.31 = 2,730.40/x
  3. Step 3: Cross multiply
    8,969.51x = 13,456.31 × 2,730.40
  4. Step 4: Simplify right side
    8,969.51x = 36,741,128.81
  5. Step 5: Solve for x
    x = 36,741,128.81/8,969.51
  6. Step 6: Final answer
    x = 4,096.23

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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.