Home / 7,890.84-11,832.14-2,343.42

Finding the Fourth Proportional to 7,890.84, 11,832.14 and 2,343.42

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Solution

The fourth proportional to 7,890.84, 11,832.14 and 2,343.42 is: 3,513.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890.84 : 11,832.14 = 2,343.42 : x
  2. Step 2: Convert to fraction form
    7,890.84/11,832.14 = 2,343.42/x
  3. Step 3: Cross multiply
    7,890.84x = 11,832.14 × 2,343.42
  4. Step 4: Simplify right side
    7,890.84x = 27,727,673.52
  5. Step 5: Solve for x
    x = 27,727,673.52/7,890.84
  6. Step 6: Final answer
    x = 3,513.91

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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.