Home / 7,149.26-9,857.40-6,152.83

Finding the Fourth Proportional to 7,149.26, 9,857.40 and 6,152.83

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Solution

The fourth proportional to 7,149.26, 9,857.40 and 6,152.83 is: 8,483.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149.26 : 9,857.40 = 6,152.83 : x
  2. Step 2: Convert to fraction form
    7,149.26/9,857.40 = 6,152.83/x
  3. Step 3: Cross multiply
    7,149.26x = 9,857.40 × 6,152.83
  4. Step 4: Simplify right side
    7,149.26x = 60,650,906.44
  5. Step 5: Solve for x
    x = 60,650,906.44/7,149.26
  6. Step 6: Final answer
    x = 8,483.52

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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.