Home / 4,769.36-7,154.68-2,172.56

Finding the Fourth Proportional to 4,769.36, 7,154.68 and 2,172.56

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Solution

The fourth proportional to 4,769.36, 7,154.68 and 2,172.56 is: 3,259.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,769.36 : 7,154.68 = 2,172.56 : x
  2. Step 2: Convert to fraction form
    4,769.36/7,154.68 = 2,172.56/x
  3. Step 3: Cross multiply
    4,769.36x = 7,154.68 × 2,172.56
  4. Step 4: Simplify right side
    4,769.36x = 15,543,971.58
  5. Step 5: Solve for x
    x = 15,543,971.58/4,769.36
  6. Step 6: Final answer
    x = 3,259.13

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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.