Home / 6,737.28-10,107.52-2,120.28

Finding the Fourth Proportional to 6,737.28, 10,107.52 and 2,120.28

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Solution

The fourth proportional to 6,737.28, 10,107.52 and 2,120.28 is: 3,180.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,737.28 : 10,107.52 = 2,120.28 : x
  2. Step 2: Convert to fraction form
    6,737.28/10,107.52 = 2,120.28/x
  3. Step 3: Cross multiply
    6,737.28x = 10,107.52 × 2,120.28
  4. Step 4: Simplify right side
    6,737.28x = 21,430,772.51
  5. Step 5: Solve for x
    x = 21,430,772.51/6,737.28
  6. Step 6: Final answer
    x = 3,180.92

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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.