Home / 5,214.50-7,195.93-2,977.68

Finding the Fourth Proportional to 5,214.50, 7,195.93 and 2,977.68

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Solution

The fourth proportional to 5,214.50, 7,195.93 and 2,977.68 is: 4,109.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.50 : 7,195.93 = 2,977.68 : x
  2. Step 2: Convert to fraction form
    5,214.50/7,195.93 = 2,977.68/x
  3. Step 3: Cross multiply
    5,214.50x = 7,195.93 × 2,977.68
  4. Step 4: Simplify right side
    5,214.50x = 21,427,176.84
  5. Step 5: Solve for x
    x = 21,427,176.84/5,214.50
  6. Step 6: Final answer
    x = 4,109.15

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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.