Home / 4,771.32-7,154.37-2,172.84

Finding the Fourth Proportional to 4,771.32, 7,154.37 and 2,172.84

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Solution

The fourth proportional to 4,771.32, 7,154.37 and 2,172.84 is: 3,258.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771.32 : 7,154.37 = 2,172.84 : x
  2. Step 2: Convert to fraction form
    4,771.32/7,154.37 = 2,172.84/x
  3. Step 3: Cross multiply
    4,771.32x = 7,154.37 × 2,172.84
  4. Step 4: Simplify right side
    4,771.32x = 15,545,301.31
  5. Step 5: Solve for x
    x = 15,545,301.31/4,771.32
  6. Step 6: Final answer
    x = 3,258.07

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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.