Home / 7,728.19-11,594.31-3,344.62

Finding the Fourth Proportional to 7,728.19, 11,594.31 and 3,344.62

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Solution

The fourth proportional to 7,728.19, 11,594.31 and 3,344.62 is: 5,017.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728.19 : 11,594.31 = 3,344.62 : x
  2. Step 2: Convert to fraction form
    7,728.19/11,594.31 = 3,344.62/x
  3. Step 3: Cross multiply
    7,728.19x = 11,594.31 × 3,344.62
  4. Step 4: Simplify right side
    7,728.19x = 38,778,561.11
  5. Step 5: Solve for x
    x = 38,778,561.11/7,728.19
  6. Step 6: Final answer
    x = 5,017.81

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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.