Home / 5,513.76-8,271.80-1,617.84

Finding the Fourth Proportional to 5,513.76, 8,271.80 and 1,617.84

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Solution

The fourth proportional to 5,513.76, 8,271.80 and 1,617.84 is: 2,427.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.76 : 8,271.80 = 1,617.84 : x
  2. Step 2: Convert to fraction form
    5,513.76/8,271.80 = 1,617.84/x
  3. Step 3: Cross multiply
    5,513.76x = 8,271.80 × 1,617.84
  4. Step 4: Simplify right side
    5,513.76x = 13,382,448.91
  5. Step 5: Solve for x
    x = 13,382,448.91/5,513.76
  6. Step 6: Final answer
    x = 2,427.10

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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.