Home / 6,518.26-8,989.38-5,118.58

Finding the Fourth Proportional to 6,518.26, 8,989.38 and 5,118.58

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Solution

The fourth proportional to 6,518.26, 8,989.38 and 5,118.58 is: 7,059.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.26 : 8,989.38 = 5,118.58 : x
  2. Step 2: Convert to fraction form
    6,518.26/8,989.38 = 5,118.58/x
  3. Step 3: Cross multiply
    6,518.26x = 8,989.38 × 5,118.58
  4. Step 4: Simplify right side
    6,518.26x = 46,012,860.68
  5. Step 5: Solve for x
    x = 46,012,860.68/6,518.26
  6. Step 6: Final answer
    x = 7,059.07

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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.