Home / 6,118.74-9,155.43-3,654.90

Finding the Fourth Proportional to 6,118.74, 9,155.43 and 3,654.90

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Solution

The fourth proportional to 6,118.74, 9,155.43 and 3,654.90 is: 5,468.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,118.74 : 9,155.43 = 3,654.90 : x
  2. Step 2: Convert to fraction form
    6,118.74/9,155.43 = 3,654.90/x
  3. Step 3: Cross multiply
    6,118.74x = 9,155.43 × 3,654.90
  4. Step 4: Simplify right side
    6,118.74x = 33,462,181.11
  5. Step 5: Solve for x
    x = 33,462,181.11/6,118.74
  6. Step 6: Final answer
    x = 5,468.80

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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.