Home / 5,316.73-7,337.09-3,078.72

Finding the Fourth Proportional to 5,316.73, 7,337.09 and 3,078.72

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Solution

The fourth proportional to 5,316.73, 7,337.09 and 3,078.72 is: 4,248.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.73 : 7,337.09 = 3,078.72 : x
  2. Step 2: Convert to fraction form
    5,316.73/7,337.09 = 3,078.72/x
  3. Step 3: Cross multiply
    5,316.73x = 7,337.09 × 3,078.72
  4. Step 4: Simplify right side
    5,316.73x = 22,588,849.86
  5. Step 5: Solve for x
    x = 22,588,849.86/5,316.73
  6. Step 6: Final answer
    x = 4,248.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.