Home / 10,780.22-16,174.28-4,541.81

Finding the Fourth Proportional to 10,780.22, 16,174.28 and 4,541.81

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Solution

The fourth proportional to 10,780.22, 16,174.28 and 4,541.81 is: 6,814.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780.22 : 16,174.28 = 4,541.81 : x
  2. Step 2: Convert to fraction form
    10,780.22/16,174.28 = 4,541.81/x
  3. Step 3: Cross multiply
    10,780.22x = 16,174.28 × 4,541.81
  4. Step 4: Simplify right side
    10,780.22x = 73,460,437.13
  5. Step 5: Solve for x
    x = 73,460,437.13/10,780.22
  6. Step 6: Final answer
    x = 6,814.37

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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.