Home / 4,742.55-6,549.46-3,911.49

Finding the Fourth Proportional to 4,742.55, 6,549.46 and 3,911.49

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Solution

The fourth proportional to 4,742.55, 6,549.46 and 3,911.49 is: 5,401.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.55 : 6,549.46 = 3,911.49 : x
  2. Step 2: Convert to fraction form
    4,742.55/6,549.46 = 3,911.49/x
  3. Step 3: Cross multiply
    4,742.55x = 6,549.46 × 3,911.49
  4. Step 4: Simplify right side
    4,742.55x = 25,618,137.52
  5. Step 5: Solve for x
    x = 25,618,137.52/4,742.55
  6. Step 6: Final answer
    x = 5,401.76

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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.