Home / 7,717.40-11,578.52-3,336.92

Finding the Fourth Proportional to 7,717.40, 11,578.52 and 3,336.92

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Solution

The fourth proportional to 7,717.40, 11,578.52 and 3,336.92 is: 5,006.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.40 : 11,578.52 = 3,336.92 : x
  2. Step 2: Convert to fraction form
    7,717.40/11,578.52 = 3,336.92/x
  3. Step 3: Cross multiply
    7,717.40x = 11,578.52 × 3,336.92
  4. Step 4: Simplify right side
    7,717.40x = 38,636,594.96
  5. Step 5: Solve for x
    x = 38,636,594.96/7,717.40
  6. Step 6: Final answer
    x = 5,006.43

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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.