Home / 8,721.18-13,085.07-4,043.43

Finding the Fourth Proportional to 8,721.18, 13,085.07 and 4,043.43

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Solution

The fourth proportional to 8,721.18, 13,085.07 and 4,043.43 is: 6,066.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,721.18 : 13,085.07 = 4,043.43 : x
  2. Step 2: Convert to fraction form
    8,721.18/13,085.07 = 4,043.43/x
  3. Step 3: Cross multiply
    8,721.18x = 13,085.07 × 4,043.43
  4. Step 4: Simplify right side
    8,721.18x = 52,908,564.59
  5. Step 5: Solve for x
    x = 52,908,564.59/8,721.18
  6. Step 6: Final answer
    x = 6,066.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.