Home / 5,241.42-7,860.51-1,954.85

Finding the Fourth Proportional to 5,241.42, 7,860.51 and 1,954.85

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Solution

The fourth proportional to 5,241.42, 7,860.51 and 1,954.85 is: 2,931.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,241.42 : 7,860.51 = 1,954.85 : x
  2. Step 2: Convert to fraction form
    5,241.42/7,860.51 = 1,954.85/x
  3. Step 3: Cross multiply
    5,241.42x = 7,860.51 × 1,954.85
  4. Step 4: Simplify right side
    5,241.42x = 15,366,078.67
  5. Step 5: Solve for x
    x = 15,366,078.67/5,241.42
  6. Step 6: Final answer
    x = 2,931.66

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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.