Home / 4,902.95-7,352.93-2,128.92

Finding the Fourth Proportional to 4,902.95, 7,352.93 and 2,128.92

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Solution

The fourth proportional to 4,902.95, 7,352.93 and 2,128.92 is: 3,192.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,902.95 : 7,352.93 = 2,128.92 : x
  2. Step 2: Convert to fraction form
    4,902.95/7,352.93 = 2,128.92/x
  3. Step 3: Cross multiply
    4,902.95x = 7,352.93 × 2,128.92
  4. Step 4: Simplify right side
    4,902.95x = 15,653,789.09
  5. Step 5: Solve for x
    x = 15,653,789.09/4,902.95
  6. Step 6: Final answer
    x = 3,192.73

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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.