Home / 5,515.30-8,271.96-2,741.08

Finding the Fourth Proportional to 5,515.30, 8,271.96 and 2,741.08

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Solution

The fourth proportional to 5,515.30, 8,271.96 and 2,741.08 is: 4,111.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.30 : 8,271.96 = 2,741.08 : x
  2. Step 2: Convert to fraction form
    5,515.30/8,271.96 = 2,741.08/x
  3. Step 3: Cross multiply
    5,515.30x = 8,271.96 × 2,741.08
  4. Step 4: Simplify right side
    5,515.30x = 22,674,104.12
  5. Step 5: Solve for x
    x = 22,674,104.12/5,515.30
  6. Step 6: Final answer
    x = 4,111.13

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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.