Home / 5,117.67-7,661.77-3,002.90

Finding the Fourth Proportional to 5,117.67, 7,661.77 and 3,002.90

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Solution

The fourth proportional to 5,117.67, 7,661.77 and 3,002.90 is: 4,495.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.67 : 7,661.77 = 3,002.90 : x
  2. Step 2: Convert to fraction form
    5,117.67/7,661.77 = 3,002.90/x
  3. Step 3: Cross multiply
    5,117.67x = 7,661.77 × 3,002.90
  4. Step 4: Simplify right side
    5,117.67x = 23,007,483.32
  5. Step 5: Solve for x
    x = 23,007,483.32/5,117.67
  6. Step 6: Final answer
    x = 4,495.69

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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.