Home / 8,189.70-11,292.86-5,532.50

Finding the Fourth Proportional to 8,189.70, 11,292.86 and 5,532.50

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Solution

The fourth proportional to 8,189.70, 11,292.86 and 5,532.50 is: 7,628.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189.70 : 11,292.86 = 5,532.50 : x
  2. Step 2: Convert to fraction form
    8,189.70/11,292.86 = 5,532.50/x
  3. Step 3: Cross multiply
    8,189.70x = 11,292.86 × 5,532.50
  4. Step 4: Simplify right side
    8,189.70x = 62,477,663.82
  5. Step 5: Solve for x
    x = 62,477,663.82/8,189.70
  6. Step 6: Final answer
    x = 7,628.81

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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.