Home / 7,769.81-10,722.39-4,233.02

Finding the Fourth Proportional to 7,769.81, 10,722.39 and 4,233.02

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Solution

The fourth proportional to 7,769.81, 10,722.39 and 4,233.02 is: 5,841.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.81 : 10,722.39 = 4,233.02 : x
  2. Step 2: Convert to fraction form
    7,769.81/10,722.39 = 4,233.02/x
  3. Step 3: Cross multiply
    7,769.81x = 10,722.39 × 4,233.02
  4. Step 4: Simplify right side
    7,769.81x = 45,388,037.71
  5. Step 5: Solve for x
    x = 45,388,037.71/7,769.81
  6. Step 6: Final answer
    x = 5,841.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.