Home / 7,769.38-11,655.59-3,088.51

Finding the Fourth Proportional to 7,769.38, 11,655.59 and 3,088.51

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Solution

The fourth proportional to 7,769.38, 11,655.59 and 3,088.51 is: 4,633.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.38 : 11,655.59 = 3,088.51 : x
  2. Step 2: Convert to fraction form
    7,769.38/11,655.59 = 3,088.51/x
  3. Step 3: Cross multiply
    7,769.38x = 11,655.59 × 3,088.51
  4. Step 4: Simplify right side
    7,769.38x = 35,998,406.27
  5. Step 5: Solve for x
    x = 35,998,406.27/7,769.38
  6. Step 6: Final answer
    x = 4,633.37

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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.