Home / 5,561.32-7,682.50-4,449.64

Finding the Fourth Proportional to 5,561.32, 7,682.50 and 4,449.64

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Solution

The fourth proportional to 5,561.32, 7,682.50 and 4,449.64 is: 6,146.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.32 : 7,682.50 = 4,449.64 : x
  2. Step 2: Convert to fraction form
    5,561.32/7,682.50 = 4,449.64/x
  3. Step 3: Cross multiply
    5,561.32x = 7,682.50 × 4,449.64
  4. Step 4: Simplify right side
    5,561.32x = 34,184,359.30
  5. Step 5: Solve for x
    x = 34,184,359.30/5,561.32
  6. Step 6: Final answer
    x = 6,146.81

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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.