Home / 5,561.66-8,338.85-2,271.44

Finding the Fourth Proportional to 5,561.66, 8,338.85 and 2,271.44

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Solution

The fourth proportional to 5,561.66, 8,338.85 and 2,271.44 is: 3,405.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.66 : 8,338.85 = 2,271.44 : x
  2. Step 2: Convert to fraction form
    5,561.66/8,338.85 = 2,271.44/x
  3. Step 3: Cross multiply
    5,561.66x = 8,338.85 × 2,271.44
  4. Step 4: Simplify right side
    5,561.66x = 18,941,215.45
  5. Step 5: Solve for x
    x = 18,941,215.45/5,561.66
  6. Step 6: Final answer
    x = 3,405.68

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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.