Home / 5,261.42-7,888.14-3,180.94

Finding the Fourth Proportional to 5,261.42, 7,888.14 and 3,180.94

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Solution

The fourth proportional to 5,261.42, 7,888.14 and 3,180.94 is: 4,768.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.42 : 7,888.14 = 3,180.94 : x
  2. Step 2: Convert to fraction form
    5,261.42/7,888.14 = 3,180.94/x
  3. Step 3: Cross multiply
    5,261.42x = 7,888.14 × 3,180.94
  4. Step 4: Simplify right side
    5,261.42x = 25,091,680.33
  5. Step 5: Solve for x
    x = 25,091,680.33/5,261.42
  6. Step 6: Final answer
    x = 4,768.99

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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.