Home / 5,675.91-7,832.94-3,438.21

Finding the Fourth Proportional to 5,675.91, 7,832.94 and 3,438.21

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Solution

The fourth proportional to 5,675.91, 7,832.94 and 3,438.21 is: 4,744.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,675.91 : 7,832.94 = 3,438.21 : x
  2. Step 2: Convert to fraction form
    5,675.91/7,832.94 = 3,438.21/x
  3. Step 3: Cross multiply
    5,675.91x = 7,832.94 × 3,438.21
  4. Step 4: Simplify right side
    5,675.91x = 26,931,292.64
  5. Step 5: Solve for x
    x = 26,931,292.64/5,675.91
  6. Step 6: Final answer
    x = 4,744.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.