Home / 6,518.82-9,778.98-2,360.78

Finding the Fourth Proportional to 6,518.82, 9,778.98 and 2,360.78

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Solution

The fourth proportional to 6,518.82, 9,778.98 and 2,360.78 is: 3,541.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.82 : 9,778.98 = 2,360.78 : x
  2. Step 2: Convert to fraction form
    6,518.82/9,778.98 = 2,360.78/x
  3. Step 3: Cross multiply
    6,518.82x = 9,778.98 × 2,360.78
  4. Step 4: Simplify right side
    6,518.82x = 23,086,020.40
  5. Step 5: Solve for x
    x = 23,086,020.40/6,518.82
  6. Step 6: Final answer
    x = 3,541.44

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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.