Home / 7,926.49-11,888.52-2,380.42

Finding the Fourth Proportional to 7,926.49, 11,888.52 and 2,380.42

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Solution

The fourth proportional to 7,926.49, 11,888.52 and 2,380.42 is: 3,570.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.49 : 11,888.52 = 2,380.42 : x
  2. Step 2: Convert to fraction form
    7,926.49/11,888.52 = 2,380.42/x
  3. Step 3: Cross multiply
    7,926.49x = 11,888.52 × 2,380.42
  4. Step 4: Simplify right side
    7,926.49x = 28,299,670.78
  5. Step 5: Solve for x
    x = 28,299,670.78/7,926.49
  6. Step 6: Final answer
    x = 3,570.27

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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.