Home / 4,009.09-6,015.90-2,160.16

Finding the Fourth Proportional to 4,009.09, 6,015.90 and 2,160.16

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Solution

The fourth proportional to 4,009.09, 6,015.90 and 2,160.16 is: 3,241.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,009.09 : 6,015.90 = 2,160.16 : x
  2. Step 2: Convert to fraction form
    4,009.09/6,015.90 = 2,160.16/x
  3. Step 3: Cross multiply
    4,009.09x = 6,015.90 × 2,160.16
  4. Step 4: Simplify right side
    4,009.09x = 12,995,265.66
  5. Step 5: Solve for x
    x = 12,995,265.66/4,009.09
  6. Step 6: Final answer
    x = 3,241.45

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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.