Home / 8,543-11,789.34-4,817.88

Finding the Fourth Proportional to 8,543, 11,789.34 and 4,817.88

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Solution

The fourth proportional to 8,543, 11,789.34 and 4,817.88 is: 6,648.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,543 : 11,789.34 = 4,817.88 : x
  2. Step 2: Convert to fraction form
    8,543/11,789.34 = 4,817.88/x
  3. Step 3: Cross multiply
    8,543x = 11,789.34 × 4,817.88
  4. Step 4: Simplify right side
    8,543x = 56,799,625.40
  5. Step 5: Solve for x
    x = 56,799,625.40/8,543
  6. Step 6: Final answer
    x = 6,648.67

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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.