Home / 5,197.90-7,797.35-2,077.16

Finding the Fourth Proportional to 5,197.90, 7,797.35 and 2,077.16

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Solution

The fourth proportional to 5,197.90, 7,797.35 and 2,077.16 is: 3,115.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197.90 : 7,797.35 = 2,077.16 : x
  2. Step 2: Convert to fraction form
    5,197.90/7,797.35 = 2,077.16/x
  3. Step 3: Cross multiply
    5,197.90x = 7,797.35 × 2,077.16
  4. Step 4: Simplify right side
    5,197.90x = 16,196,343.53
  5. Step 5: Solve for x
    x = 16,196,343.53/5,197.90
  6. Step 6: Final answer
    x = 3,115.94

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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.