Home / 7,717.60-11,576.40-1,874.17

Finding the Fourth Proportional to 7,717.60, 11,576.40 and 1,874.17

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Solution

The fourth proportional to 7,717.60, 11,576.40 and 1,874.17 is: 2,811.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.60 : 11,576.40 = 1,874.17 : x
  2. Step 2: Convert to fraction form
    7,717.60/11,576.40 = 1,874.17/x
  3. Step 3: Cross multiply
    7,717.60x = 11,576.40 × 1,874.17
  4. Step 4: Simplify right side
    7,717.60x = 21,696,105.62
  5. Step 5: Solve for x
    x = 21,696,105.62/7,717.60
  6. Step 6: Final answer
    x = 2,811.25

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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.