Home / 5,184.90-7,156.73-4,920.43

Finding the Fourth Proportional to 5,184.90, 7,156.73 and 4,920.43

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Solution

The fourth proportional to 5,184.90, 7,156.73 and 4,920.43 is: 6,791.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.90 : 7,156.73 = 4,920.43 : x
  2. Step 2: Convert to fraction form
    5,184.90/7,156.73 = 4,920.43/x
  3. Step 3: Cross multiply
    5,184.90x = 7,156.73 × 4,920.43
  4. Step 4: Simplify right side
    5,184.90x = 35,214,188.99
  5. Step 5: Solve for x
    x = 35,214,188.99/5,184.90
  6. Step 6: Final answer
    x = 6,791.68

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1.5x scale

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.