Home / 8,176.70-11,288.37-5,628.17

Finding the Fourth Proportional to 8,176.70, 11,288.37 and 5,628.17

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Solution

The fourth proportional to 8,176.70, 11,288.37 and 5,628.17 is: 7,769.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.70 : 11,288.37 = 5,628.17 : x
  2. Step 2: Convert to fraction form
    8,176.70/11,288.37 = 5,628.17/x
  3. Step 3: Cross multiply
    8,176.70x = 11,288.37 × 5,628.17
  4. Step 4: Simplify right side
    8,176.70x = 63,532,865.38
  5. Step 5: Solve for x
    x = 63,532,865.38/8,176.70
  6. Step 6: Final answer
    x = 7,769.99

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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.