Home / 6,518.21-8,995.14-3,866.12

Finding the Fourth Proportional to 6,518.21, 8,995.14 and 3,866.12

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Solution

The fourth proportional to 6,518.21, 8,995.14 and 3,866.12 is: 5,335.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.21 : 8,995.14 = 3,866.12 : x
  2. Step 2: Convert to fraction form
    6,518.21/8,995.14 = 3,866.12/x
  3. Step 3: Cross multiply
    6,518.21x = 8,995.14 × 3,866.12
  4. Step 4: Simplify right side
    6,518.21x = 34,776,245.68
  5. Step 5: Solve for x
    x = 34,776,245.68/6,518.21
  6. Step 6: Final answer
    x = 5,335.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.