Home / 7,760.12-11,637.66-3,376.28

Finding the Fourth Proportional to 7,760.12, 11,637.66 and 3,376.28

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Solution

The fourth proportional to 7,760.12, 11,637.66 and 3,376.28 is: 5,063.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760.12 : 11,637.66 = 3,376.28 : x
  2. Step 2: Convert to fraction form
    7,760.12/11,637.66 = 3,376.28/x
  3. Step 3: Cross multiply
    7,760.12x = 11,637.66 × 3,376.28
  4. Step 4: Simplify right side
    7,760.12x = 39,291,998.70
  5. Step 5: Solve for x
    x = 39,291,998.70/7,760.12
  6. Step 6: Final answer
    x = 5,063.32

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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.