Home / 5,635.90-8,455.79-2,518.06

Finding the Fourth Proportional to 5,635.90, 8,455.79 and 2,518.06

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Solution

The fourth proportional to 5,635.90, 8,455.79 and 2,518.06 is: 3,777.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.90 : 8,455.79 = 2,518.06 : x
  2. Step 2: Convert to fraction form
    5,635.90/8,455.79 = 2,518.06/x
  3. Step 3: Cross multiply
    5,635.90x = 8,455.79 × 2,518.06
  4. Step 4: Simplify right side
    5,635.90x = 21,292,162.28
  5. Step 5: Solve for x
    x = 21,292,162.28/5,635.90
  6. Step 6: Final answer
    x = 3,777.95

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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.