Home / 5,540.42-7,645.85-3,150.51

Finding the Fourth Proportional to 5,540.42, 7,645.85 and 3,150.51

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Solution

The fourth proportional to 5,540.42, 7,645.85 and 3,150.51 is: 4,347.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.42 : 7,645.85 = 3,150.51 : x
  2. Step 2: Convert to fraction form
    5,540.42/7,645.85 = 3,150.51/x
  3. Step 3: Cross multiply
    5,540.42x = 7,645.85 × 3,150.51
  4. Step 4: Simplify right side
    5,540.42x = 24,088,311.13
  5. Step 5: Solve for x
    x = 24,088,311.13/5,540.42
  6. Step 6: Final answer
    x = 4,347.74

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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.