Home / 8,517.26-11,750.01-4,978.91

Finding the Fourth Proportional to 8,517.26, 11,750.01 and 4,978.91

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Solution

The fourth proportional to 8,517.26, 11,750.01 and 4,978.91 is: 6,868.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517.26 : 11,750.01 = 4,978.91 : x
  2. Step 2: Convert to fraction form
    8,517.26/11,750.01 = 4,978.91/x
  3. Step 3: Cross multiply
    8,517.26x = 11,750.01 × 4,978.91
  4. Step 4: Simplify right side
    8,517.26x = 58,502,242.29
  5. Step 5: Solve for x
    x = 58,502,242.29/8,517.26
  6. Step 6: Final answer
    x = 6,868.67

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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.