Home / 6,288.80-9,429.28-2,127.56

Finding the Fourth Proportional to 6,288.80, 9,429.28 and 2,127.56

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Solution

The fourth proportional to 6,288.80, 9,429.28 and 2,127.56 is: 3,190.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288.80 : 9,429.28 = 2,127.56 : x
  2. Step 2: Convert to fraction form
    6,288.80/9,429.28 = 2,127.56/x
  3. Step 3: Cross multiply
    6,288.80x = 9,429.28 × 2,127.56
  4. Step 4: Simplify right side
    6,288.80x = 20,061,358.96
  5. Step 5: Solve for x
    x = 20,061,358.96/6,288.80
  6. Step 6: Final answer
    x = 3,190.01

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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.