Home / 5,561.32-8,341.95-2,231.05

Finding the Fourth Proportional to 5,561.32, 8,341.95 and 2,231.05

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Solution

The fourth proportional to 5,561.32, 8,341.95 and 2,231.05 is: 3,346.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.32 : 8,341.95 = 2,231.05 : x
  2. Step 2: Convert to fraction form
    5,561.32/8,341.95 = 2,231.05/x
  3. Step 3: Cross multiply
    5,561.32x = 8,341.95 × 2,231.05
  4. Step 4: Simplify right side
    5,561.32x = 18,611,307.55
  5. Step 5: Solve for x
    x = 18,611,307.55/5,561.32
  6. Step 6: Final answer
    x = 3,346.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.