Home / 7,766.82-10,712.25-4,622.40

Finding the Fourth Proportional to 7,766.82, 10,712.25 and 4,622.40

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Solution

The fourth proportional to 7,766.82, 10,712.25 and 4,622.40 is: 6,375.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.82 : 10,712.25 = 4,622.40 : x
  2. Step 2: Convert to fraction form
    7,766.82/10,712.25 = 4,622.40/x
  3. Step 3: Cross multiply
    7,766.82x = 10,712.25 × 4,622.40
  4. Step 4: Simplify right side
    7,766.82x = 49,516,304.40
  5. Step 5: Solve for x
    x = 49,516,304.40/7,766.82
  6. Step 6: Final answer
    x = 6,375.36

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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.