Home / 9,160.63-13,742.76-2,920.44

Finding the Fourth Proportional to 9,160.63, 13,742.76 and 2,920.44

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Solution

The fourth proportional to 9,160.63, 13,742.76 and 2,920.44 is: 4,381.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,160.63 : 13,742.76 = 2,920.44 : x
  2. Step 2: Convert to fraction form
    9,160.63/13,742.76 = 2,920.44/x
  3. Step 3: Cross multiply
    9,160.63x = 13,742.76 × 2,920.44
  4. Step 4: Simplify right side
    9,160.63x = 40,134,891.20
  5. Step 5: Solve for x
    x = 40,134,891.20/9,160.63
  6. Step 6: Final answer
    x = 4,381.24

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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.