Home / 8,110.47-11,189.16-5,723.91

Finding the Fourth Proportional to 8,110.47, 11,189.16 and 5,723.91

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Solution

The fourth proportional to 8,110.47, 11,189.16 and 5,723.91 is: 7,896.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,110.47 : 11,189.16 = 5,723.91 : x
  2. Step 2: Convert to fraction form
    8,110.47/11,189.16 = 5,723.91/x
  3. Step 3: Cross multiply
    8,110.47x = 11,189.16 × 5,723.91
  4. Step 4: Simplify right side
    8,110.47x = 64,045,744.82
  5. Step 5: Solve for x
    x = 64,045,744.82/8,110.47
  6. Step 6: Final answer
    x = 7,896.67

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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.