Home / 5,155.48-7,733.20-1,867.81

Finding the Fourth Proportional to 5,155.48, 7,733.20 and 1,867.81

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Solution

The fourth proportional to 5,155.48, 7,733.20 and 1,867.81 is: 2,801.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155.48 : 7,733.20 = 1,867.81 : x
  2. Step 2: Convert to fraction form
    5,155.48/7,733.20 = 1,867.81/x
  3. Step 3: Cross multiply
    5,155.48x = 7,733.20 × 1,867.81
  4. Step 4: Simplify right side
    5,155.48x = 14,444,148.29
  5. Step 5: Solve for x
    x = 14,444,148.29/5,155.48
  6. Step 6: Final answer
    x = 2,801.71

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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.