Home / 7,945.34-11,913.37-2,397.02

Finding the Fourth Proportional to 7,945.34, 11,913.37 and 2,397.02

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Solution

The fourth proportional to 7,945.34, 11,913.37 and 2,397.02 is: 3,594.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.34 : 11,913.37 = 2,397.02 : x
  2. Step 2: Convert to fraction form
    7,945.34/11,913.37 = 2,397.02/x
  3. Step 3: Cross multiply
    7,945.34x = 11,913.37 × 2,397.02
  4. Step 4: Simplify right side
    7,945.34x = 28,556,520.60
  5. Step 5: Solve for x
    x = 28,556,520.60/7,945.34
  6. Step 6: Final answer
    x = 3,594.12

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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.