Home / 9,160.74-13,742.19-2,918.58

Finding the Fourth Proportional to 9,160.74, 13,742.19 and 2,918.58

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Solution

The fourth proportional to 9,160.74, 13,742.19 and 2,918.58 is: 4,378.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,160.74 : 13,742.19 = 2,918.58 : x
  2. Step 2: Convert to fraction form
    9,160.74/13,742.19 = 2,918.58/x
  3. Step 3: Cross multiply
    9,160.74x = 13,742.19 × 2,918.58
  4. Step 4: Simplify right side
    9,160.74x = 40,107,680.89
  5. Step 5: Solve for x
    x = 40,107,680.89/9,160.74
  6. Step 6: Final answer
    x = 4,378.21

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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.