Home / 7,769.12-10,722.14-4,786.96

Finding the Fourth Proportional to 7,769.12, 10,722.14 and 4,786.96

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Solution

The fourth proportional to 7,769.12, 10,722.14 and 4,786.96 is: 6,606.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.12 : 10,722.14 = 4,786.96 : x
  2. Step 2: Convert to fraction form
    7,769.12/10,722.14 = 4,786.96/x
  3. Step 3: Cross multiply
    7,769.12x = 10,722.14 × 4,786.96
  4. Step 4: Simplify right side
    7,769.12x = 51,326,455.29
  5. Step 5: Solve for x
    x = 51,326,455.29/7,769.12
  6. Step 6: Final answer
    x = 6,606.47

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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.