Home / 8,161.83-11,265.89-4,627.40

Finding the Fourth Proportional to 8,161.83, 11,265.89 and 4,627.40

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Solution

The fourth proportional to 8,161.83, 11,265.89 and 4,627.40 is: 6,387.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.83 : 11,265.89 = 4,627.40 : x
  2. Step 2: Convert to fraction form
    8,161.83/11,265.89 = 4,627.40/x
  3. Step 3: Cross multiply
    8,161.83x = 11,265.89 × 4,627.40
  4. Step 4: Simplify right side
    8,161.83x = 52,131,779.39
  5. Step 5: Solve for x
    x = 52,131,779.39/8,161.83
  6. Step 6: Final answer
    x = 6,387.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.