Home / 5,173.80-7,757.36-2,214.18

Finding the Fourth Proportional to 5,173.80, 7,757.36 and 2,214.18

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Solution

The fourth proportional to 5,173.80, 7,757.36 and 2,214.18 is: 3,319.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.80 : 7,757.36 = 2,214.18 : x
  2. Step 2: Convert to fraction form
    5,173.80/7,757.36 = 2,214.18/x
  3. Step 3: Cross multiply
    5,173.80x = 7,757.36 × 2,214.18
  4. Step 4: Simplify right side
    5,173.80x = 17,176,191.36
  5. Step 5: Solve for x
    x = 17,176,191.36/5,173.80
  6. Step 6: Final answer
    x = 3,319.84

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1.5x scale

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.