Home / 8,721.80-13,064.58-4,266.03

Finding the Fourth Proportional to 8,721.80, 13,064.58 and 4,266.03

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Solution

The fourth proportional to 8,721.80, 13,064.58 and 4,266.03 is: 6,390.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,721.80 : 13,064.58 = 4,266.03 : x
  2. Step 2: Convert to fraction form
    8,721.80/13,064.58 = 4,266.03/x
  3. Step 3: Cross multiply
    8,721.80x = 13,064.58 × 4,266.03
  4. Step 4: Simplify right side
    8,721.80x = 55,733,890.22
  5. Step 5: Solve for x
    x = 55,733,890.22/8,721.80
  6. Step 6: Final answer
    x = 6,390.19

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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.