Home / 9,355.08-14,034.54-2,780.68

Finding the Fourth Proportional to 9,355.08, 14,034.54 and 2,780.68

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Solution

The fourth proportional to 9,355.08, 14,034.54 and 2,780.68 is: 4,171.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,355.08 : 14,034.54 = 2,780.68 : x
  2. Step 2: Convert to fraction form
    9,355.08/14,034.54 = 2,780.68/x
  3. Step 3: Cross multiply
    9,355.08x = 14,034.54 × 2,780.68
  4. Step 4: Simplify right side
    9,355.08x = 39,025,564.69
  5. Step 5: Solve for x
    x = 39,025,564.69/9,355.08
  6. Step 6: Final answer
    x = 4,171.59

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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.