Home / 7,482.45-11,222.76-1,935.34

Finding the Fourth Proportional to 7,482.45, 11,222.76 and 1,935.34

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Solution

The fourth proportional to 7,482.45, 11,222.76 and 1,935.34 is: 2,902.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482.45 : 11,222.76 = 1,935.34 : x
  2. Step 2: Convert to fraction form
    7,482.45/11,222.76 = 1,935.34/x
  3. Step 3: Cross multiply
    7,482.45x = 11,222.76 × 1,935.34
  4. Step 4: Simplify right side
    7,482.45x = 21,719,835.54
  5. Step 5: Solve for x
    x = 21,719,835.54/7,482.45
  6. Step 6: Final answer
    x = 2,902.77

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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.