Home / 7,968.34-11,998.81-5,902.99

Finding the Fourth Proportional to 7,968.34, 11,998.81 and 5,902.99

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Solution

The fourth proportional to 7,968.34, 11,998.81 and 5,902.99 is: 8,888.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.34 : 11,998.81 = 5,902.99 : x
  2. Step 2: Convert to fraction form
    7,968.34/11,998.81 = 5,902.99/x
  3. Step 3: Cross multiply
    7,968.34x = 11,998.81 × 5,902.99
  4. Step 4: Simplify right side
    7,968.34x = 70,828,832.82
  5. Step 5: Solve for x
    x = 70,828,832.82/7,968.34
  6. Step 6: Final answer
    x = 8,888.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.