Home / 7,772.69-10,725.97-4,415.49

Finding the Fourth Proportional to 7,772.69, 10,725.97 and 4,415.49

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Solution

The fourth proportional to 7,772.69, 10,725.97 and 4,415.49 is: 6,093.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772.69 : 10,725.97 = 4,415.49 : x
  2. Step 2: Convert to fraction form
    7,772.69/10,725.97 = 4,415.49/x
  3. Step 3: Cross multiply
    7,772.69x = 10,725.97 × 4,415.49
  4. Step 4: Simplify right side
    7,772.69x = 47,360,391.20
  5. Step 5: Solve for x
    x = 47,360,391.20/7,772.69
  6. Step 6: Final answer
    x = 6,093.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.