Home / 7,705.43-11,560.46-3,260.81

Finding the Fourth Proportional to 7,705.43, 11,560.46 and 3,260.81

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Solution

The fourth proportional to 7,705.43, 11,560.46 and 3,260.81 is: 4,892.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,705.43 : 11,560.46 = 3,260.81 : x
  2. Step 2: Convert to fraction form
    7,705.43/11,560.46 = 3,260.81/x
  3. Step 3: Cross multiply
    7,705.43x = 11,560.46 × 3,260.81
  4. Step 4: Simplify right side
    7,705.43x = 37,696,463.57
  5. Step 5: Solve for x
    x = 37,696,463.57/7,705.43
  6. Step 6: Final answer
    x = 4,892.19

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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.