Home / 5,211.30-7,818.22-1,513.44

Finding the Fourth Proportional to 5,211.30, 7,818.22 and 1,513.44

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Solution

The fourth proportional to 5,211.30, 7,818.22 and 1,513.44 is: 2,270.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.30 : 7,818.22 = 1,513.44 : x
  2. Step 2: Convert to fraction form
    5,211.30/7,818.22 = 1,513.44/x
  3. Step 3: Cross multiply
    5,211.30x = 7,818.22 × 1,513.44
  4. Step 4: Simplify right side
    5,211.30x = 11,832,406.88
  5. Step 5: Solve for x
    x = 11,832,406.88/5,211.30
  6. Step 6: Final answer
    x = 2,270.53

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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.