Home / 7,614.20-10,497.97-4,920.85

Finding the Fourth Proportional to 7,614.20, 10,497.97 and 4,920.85

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Solution

The fourth proportional to 7,614.20, 10,497.97 and 4,920.85 is: 6,784.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,614.20 : 10,497.97 = 4,920.85 : x
  2. Step 2: Convert to fraction form
    7,614.20/10,497.97 = 4,920.85/x
  3. Step 3: Cross multiply
    7,614.20x = 10,497.97 × 4,920.85
  4. Step 4: Simplify right side
    7,614.20x = 51,658,935.67
  5. Step 5: Solve for x
    x = 51,658,935.67/7,614.20
  6. Step 6: Final answer
    x = 6,784.55

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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.