Home / 5,513.22-8,271.20-1,617.64

Finding the Fourth Proportional to 5,513.22, 8,271.20 and 1,617.64

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Solution

The fourth proportional to 5,513.22, 8,271.20 and 1,617.64 is: 2,426.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.22 : 8,271.20 = 1,617.64 : x
  2. Step 2: Convert to fraction form
    5,513.22/8,271.20 = 1,617.64/x
  3. Step 3: Cross multiply
    5,513.22x = 8,271.20 × 1,617.64
  4. Step 4: Simplify right side
    5,513.22x = 13,379,807.33
  5. Step 5: Solve for x
    x = 13,379,807.33/5,513.22
  6. Step 6: Final answer
    x = 2,426.86

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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.