Home / 5,561.20-8,330.40-3,607.44

Finding the Fourth Proportional to 5,561.20, 8,330.40 and 3,607.44

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Solution

The fourth proportional to 5,561.20, 8,330.40 and 3,607.44 is: 5,403.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.20 : 8,330.40 = 3,607.44 : x
  2. Step 2: Convert to fraction form
    5,561.20/8,330.40 = 3,607.44/x
  3. Step 3: Cross multiply
    5,561.20x = 8,330.40 × 3,607.44
  4. Step 4: Simplify right side
    5,561.20x = 30,051,418.18
  5. Step 5: Solve for x
    x = 30,051,418.18/5,561.20
  6. Step 6: Final answer
    x = 5,403.77

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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.