Home / 5,412.96-8,119.53-1,950.12

Finding the Fourth Proportional to 5,412.96, 8,119.53 and 1,950.12

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Solution

The fourth proportional to 5,412.96, 8,119.53 and 1,950.12 is: 2,925.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.96 : 8,119.53 = 1,950.12 : x
  2. Step 2: Convert to fraction form
    5,412.96/8,119.53 = 1,950.12/x
  3. Step 3: Cross multiply
    5,412.96x = 8,119.53 × 1,950.12
  4. Step 4: Simplify right side
    5,412.96x = 15,834,057.84
  5. Step 5: Solve for x
    x = 15,834,057.84/5,412.96
  6. Step 6: Final answer
    x = 2,925.21

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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.