Home / 7,968.79-11,953.05-2,774.53

Finding the Fourth Proportional to 7,968.79, 11,953.05 and 2,774.53

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Solution

The fourth proportional to 7,968.79, 11,953.05 and 2,774.53 is: 4,161.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.79 : 11,953.05 = 2,774.53 : x
  2. Step 2: Convert to fraction form
    7,968.79/11,953.05 = 2,774.53/x
  3. Step 3: Cross multiply
    7,968.79x = 11,953.05 × 2,774.53
  4. Step 4: Simplify right side
    7,968.79x = 33,164,115.96
  5. Step 5: Solve for x
    x = 33,164,115.96/7,968.79
  6. Step 6: Final answer
    x = 4,161.75

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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.