Home / 5,401.30-7,455.34-3,512.92

Finding the Fourth Proportional to 5,401.30, 7,455.34 and 3,512.92

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Solution

The fourth proportional to 5,401.30, 7,455.34 and 3,512.92 is: 4,848.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,401.30 : 7,455.34 = 3,512.92 : x
  2. Step 2: Convert to fraction form
    5,401.30/7,455.34 = 3,512.92/x
  3. Step 3: Cross multiply
    5,401.30x = 7,455.34 × 3,512.92
  4. Step 4: Simplify right side
    5,401.30x = 26,190,012.99
  5. Step 5: Solve for x
    x = 26,190,012.99/5,401.30
  6. Step 6: Final answer
    x = 4,848.84

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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.