Home / 7,513.22-11,271.18-2,581.77

Finding the Fourth Proportional to 7,513.22, 11,271.18 and 2,581.77

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Solution

The fourth proportional to 7,513.22, 11,271.18 and 2,581.77 is: 3,873.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,513.22 : 11,271.18 = 2,581.77 : x
  2. Step 2: Convert to fraction form
    7,513.22/11,271.18 = 2,581.77/x
  3. Step 3: Cross multiply
    7,513.22x = 11,271.18 × 2,581.77
  4. Step 4: Simplify right side
    7,513.22x = 29,099,646.34
  5. Step 5: Solve for x
    x = 29,099,646.34/7,513.22
  6. Step 6: Final answer
    x = 3,873.12

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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.