Home / 9,147.10-13,721.56-2,483.70

Finding the Fourth Proportional to 9,147.10, 13,721.56 and 2,483.70

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Solution

The fourth proportional to 9,147.10, 13,721.56 and 2,483.70 is: 3,725.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.10 : 13,721.56 = 2,483.70 : x
  2. Step 2: Convert to fraction form
    9,147.10/13,721.56 = 2,483.70/x
  3. Step 3: Cross multiply
    9,147.10x = 13,721.56 × 2,483.70
  4. Step 4: Simplify right side
    9,147.10x = 34,080,262.75
  5. Step 5: Solve for x
    x = 34,080,262.75/9,147.10
  6. Step 6: Final answer
    x = 3,725.80

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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.