Home / 5,173.13-7,758.75-2,213.24

Finding the Fourth Proportional to 5,173.13, 7,758.75 and 2,213.24

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Solution

The fourth proportional to 5,173.13, 7,758.75 and 2,213.24 is: 3,319.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.13 : 7,758.75 = 2,213.24 : x
  2. Step 2: Convert to fraction form
    5,173.13/7,758.75 = 2,213.24/x
  3. Step 3: Cross multiply
    5,173.13x = 7,758.75 × 2,213.24
  4. Step 4: Simplify right side
    5,173.13x = 17,171,937.06
  5. Step 5: Solve for x
    x = 17,171,937.06/5,173.13
  6. Step 6: Final answer
    x = 3,319.45

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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.