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Finding the Fourth Proportional to 6,015.40, 9,017.70 and 3,936.40

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Solution

The fourth proportional to 6,015.40, 9,017.70 and 3,936.40 is: 5,901.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,015.40 : 9,017.70 = 3,936.40 : x
  2. Step 2: Convert to fraction form
    6,015.40/9,017.70 = 3,936.40/x
  3. Step 3: Cross multiply
    6,015.40x = 9,017.70 × 3,936.40
  4. Step 4: Simplify right side
    6,015.40x = 35,497,274.28
  5. Step 5: Solve for x
    x = 35,497,274.28/6,015.40
  6. Step 6: Final answer
    x = 5,901.07

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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.