Home / 5,154.39-7,720.79-3,296.05

Finding the Fourth Proportional to 5,154.39, 7,720.79 and 3,296.05

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Solution

The fourth proportional to 5,154.39, 7,720.79 and 3,296.05 is: 4,937.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.39 : 7,720.79 = 3,296.05 : x
  2. Step 2: Convert to fraction form
    5,154.39/7,720.79 = 3,296.05/x
  3. Step 3: Cross multiply
    5,154.39x = 7,720.79 × 3,296.05
  4. Step 4: Simplify right side
    5,154.39x = 25,448,074.10
  5. Step 5: Solve for x
    x = 25,448,074.10/5,154.39
  6. Step 6: Final answer
    x = 4,937.17

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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.