Home / 6,118.90-8,442.14-3,601.88

Finding the Fourth Proportional to 6,118.90, 8,442.14 and 3,601.88

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Solution

The fourth proportional to 6,118.90, 8,442.14 and 3,601.88 is: 4,969.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,118.90 : 8,442.14 = 3,601.88 : x
  2. Step 2: Convert to fraction form
    6,118.90/8,442.14 = 3,601.88/x
  3. Step 3: Cross multiply
    6,118.90x = 8,442.14 × 3,601.88
  4. Step 4: Simplify right side
    6,118.90x = 30,407,575.22
  5. Step 5: Solve for x
    x = 30,407,575.22/6,118.90
  6. Step 6: Final answer
    x = 4,969.45

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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.