Home / 5,513.24-8,271.12-1,617.94

Finding the Fourth Proportional to 5,513.24, 8,271.12 and 1,617.94

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Solution

The fourth proportional to 5,513.24, 8,271.12 and 1,617.94 is: 2,427.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.24 : 8,271.12 = 1,617.94 : x
  2. Step 2: Convert to fraction form
    5,513.24/8,271.12 = 1,617.94/x
  3. Step 3: Cross multiply
    5,513.24x = 8,271.12 × 1,617.94
  4. Step 4: Simplify right side
    5,513.24x = 13,382,175.89
  5. Step 5: Solve for x
    x = 13,382,175.89/5,513.24
  6. Step 6: Final answer
    x = 2,427.28

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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.