Home / 5,135.08-7,701-2,212.60

Finding the Fourth Proportional to 5,135.08, 7,701 and 2,212.60

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Solution

The fourth proportional to 5,135.08, 7,701 and 2,212.60 is: 3,318.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.08 : 7,701 = 2,212.60 : x
  2. Step 2: Convert to fraction form
    5,135.08/7,701 = 2,212.60/x
  3. Step 3: Cross multiply
    5,135.08x = 7,701 × 2,212.60
  4. Step 4: Simplify right side
    5,135.08x = 17,039,232.60
  5. Step 5: Solve for x
    x = 17,039,232.60/5,135.08
  6. Step 6: Final answer
    x = 3,318.20

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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.