Home / 8,437.92-11,628.72-6,571.68

Finding the Fourth Proportional to 8,437.92, 11,628.72 and 6,571.68

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Solution

The fourth proportional to 8,437.92, 11,628.72 and 6,571.68 is: 9,056.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.92 : 11,628.72 = 6,571.68 : x
  2. Step 2: Convert to fraction form
    8,437.92/11,628.72 = 6,571.68/x
  3. Step 3: Cross multiply
    8,437.92x = 11,628.72 × 6,571.68
  4. Step 4: Simplify right side
    8,437.92x = 76,420,226.65
  5. Step 5: Solve for x
    x = 76,420,226.65/8,437.92
  6. Step 6: Final answer
    x = 9,056.76

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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.