Home / 6,936.56-9,572.64-4,143.68

Finding the Fourth Proportional to 6,936.56, 9,572.64 and 4,143.68

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Solution

The fourth proportional to 6,936.56, 9,572.64 and 4,143.68 is: 5,718.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936.56 : 9,572.64 = 4,143.68 : x
  2. Step 2: Convert to fraction form
    6,936.56/9,572.64 = 4,143.68/x
  3. Step 3: Cross multiply
    6,936.56x = 9,572.64 × 4,143.68
  4. Step 4: Simplify right side
    6,936.56x = 39,665,956.92
  5. Step 5: Solve for x
    x = 39,665,956.92/6,936.56
  6. Step 6: Final answer
    x = 5,718.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.