Home / 5,173.39-7,756.74-2,213.77

Finding the Fourth Proportional to 5,173.39, 7,756.74 and 2,213.77

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Solution

The fourth proportional to 5,173.39, 7,756.74 and 2,213.77 is: 3,319.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.39 : 7,756.74 = 2,213.77 : x
  2. Step 2: Convert to fraction form
    5,173.39/7,756.74 = 2,213.77/x
  3. Step 3: Cross multiply
    5,173.39x = 7,756.74 × 2,213.77
  4. Step 4: Simplify right side
    5,173.39x = 17,171,599.53
  5. Step 5: Solve for x
    x = 17,171,599.53/5,173.39
  6. Step 6: Final answer
    x = 3,319.22

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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.