Home / 7,727.03-10,663.31-4,190.25

Finding the Fourth Proportional to 7,727.03, 10,663.31 and 4,190.25

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Solution

The fourth proportional to 7,727.03, 10,663.31 and 4,190.25 is: 5,782.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727.03 : 10,663.31 = 4,190.25 : x
  2. Step 2: Convert to fraction form
    7,727.03/10,663.31 = 4,190.25/x
  3. Step 3: Cross multiply
    7,727.03x = 10,663.31 × 4,190.25
  4. Step 4: Simplify right side
    7,727.03x = 44,681,934.73
  5. Step 5: Solve for x
    x = 44,681,934.73/7,727.03
  6. Step 6: Final answer
    x = 5,782.55

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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.