Home / 7,938.42-11,907.54-2,744.22

Finding the Fourth Proportional to 7,938.42, 11,907.54 and 2,744.22

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Solution

The fourth proportional to 7,938.42, 11,907.54 and 2,744.22 is: 4,116.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.42 : 11,907.54 = 2,744.22 : x
  2. Step 2: Convert to fraction form
    7,938.42/11,907.54 = 2,744.22/x
  3. Step 3: Cross multiply
    7,938.42x = 11,907.54 × 2,744.22
  4. Step 4: Simplify right side
    7,938.42x = 32,676,909.42
  5. Step 5: Solve for x
    x = 32,676,909.42/7,938.42
  6. Step 6: Final answer
    x = 4,116.30

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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.