Home / 5,741.76-7,922.34-3,384.12

Finding the Fourth Proportional to 5,741.76, 7,922.34 and 3,384.12

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Solution

The fourth proportional to 5,741.76, 7,922.34 and 3,384.12 is: 4,669.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,741.76 : 7,922.34 = 3,384.12 : x
  2. Step 2: Convert to fraction form
    5,741.76/7,922.34 = 3,384.12/x
  3. Step 3: Cross multiply
    5,741.76x = 7,922.34 × 3,384.12
  4. Step 4: Simplify right side
    5,741.76x = 26,810,149.24
  5. Step 5: Solve for x
    x = 26,810,149.24/5,741.76
  6. Step 6: Final answer
    x = 4,669.33

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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.