Home / 5,675.91-7,832.93-3,438.20

Finding the Fourth Proportional to 5,675.91, 7,832.93 and 3,438.20

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Solution

The fourth proportional to 5,675.91, 7,832.93 and 3,438.20 is: 4,744.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,675.91 : 7,832.93 = 3,438.20 : x
  2. Step 2: Convert to fraction form
    5,675.91/7,832.93 = 3,438.20/x
  3. Step 3: Cross multiply
    5,675.91x = 7,832.93 × 3,438.20
  4. Step 4: Simplify right side
    5,675.91x = 26,931,123.57
  5. Step 5: Solve for x
    x = 26,931,123.57/5,675.91
  6. Step 6: Final answer
    x = 4,744.81

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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.