Home / 4,089.11-6,133.73-2,145.11

Finding the Fourth Proportional to 4,089.11, 6,133.73 and 2,145.11

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Solution

The fourth proportional to 4,089.11, 6,133.73 and 2,145.11 is: 3,217.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089.11 : 6,133.73 = 2,145.11 : x
  2. Step 2: Convert to fraction form
    4,089.11/6,133.73 = 2,145.11/x
  3. Step 3: Cross multiply
    4,089.11x = 6,133.73 × 2,145.11
  4. Step 4: Simplify right side
    4,089.11x = 13,157,484.17
  5. Step 5: Solve for x
    x = 13,157,484.17/4,089.11
  6. Step 6: Final answer
    x = 3,217.69

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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.