Home / 7,150.40-10,727.03-2,470.58

Finding the Fourth Proportional to 7,150.40, 10,727.03 and 2,470.58

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Solution

The fourth proportional to 7,150.40, 10,727.03 and 2,470.58 is: 3,706.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.40 : 10,727.03 = 2,470.58 : x
  2. Step 2: Convert to fraction form
    7,150.40/10,727.03 = 2,470.58/x
  3. Step 3: Cross multiply
    7,150.40x = 10,727.03 × 2,470.58
  4. Step 4: Simplify right side
    7,150.40x = 26,501,919.79
  5. Step 5: Solve for x
    x = 26,501,919.79/7,150.40
  6. Step 6: Final answer
    x = 3,706.36

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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.