Home / 7,155.52-10,733.40-1,961.52

Finding the Fourth Proportional to 7,155.52, 10,733.40 and 1,961.52

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Solution

The fourth proportional to 7,155.52, 10,733.40 and 1,961.52 is: 2,942.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155.52 : 10,733.40 = 1,961.52 : x
  2. Step 2: Convert to fraction form
    7,155.52/10,733.40 = 1,961.52/x
  3. Step 3: Cross multiply
    7,155.52x = 10,733.40 × 1,961.52
  4. Step 4: Simplify right side
    7,155.52x = 21,053,778.77
  5. Step 5: Solve for x
    x = 21,053,778.77/7,155.52
  6. Step 6: Final answer
    x = 2,942.31

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1.5x scale

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.