Home / 7,724.19-11,588.31-3,340.62

Finding the Fourth Proportional to 7,724.19, 11,588.31 and 3,340.62

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Solution

The fourth proportional to 7,724.19, 11,588.31 and 3,340.62 is: 5,011.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.19 : 11,588.31 = 3,340.62 : x
  2. Step 2: Convert to fraction form
    7,724.19/11,588.31 = 3,340.62/x
  3. Step 3: Cross multiply
    7,724.19x = 11,588.31 × 3,340.62
  4. Step 4: Simplify right side
    7,724.19x = 38,712,140.15
  5. Step 5: Solve for x
    x = 38,712,140.15/7,724.19
  6. Step 6: Final answer
    x = 5,011.81

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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.