Home / 5,731.56-7,910.96-3,494.67

Finding the Fourth Proportional to 5,731.56, 7,910.96 and 3,494.67

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Solution

The fourth proportional to 5,731.56, 7,910.96 and 3,494.67 is: 4,823.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,731.56 : 7,910.96 = 3,494.67 : x
  2. Step 2: Convert to fraction form
    5,731.56/7,910.96 = 3,494.67/x
  3. Step 3: Cross multiply
    5,731.56x = 7,910.96 × 3,494.67
  4. Step 4: Simplify right side
    5,731.56x = 27,646,233.76
  5. Step 5: Solve for x
    x = 27,646,233.76/5,731.56
  6. Step 6: Final answer
    x = 4,823.51

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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.