Home / 7,730.90-10,668.62-4,194.12

Finding the Fourth Proportional to 7,730.90, 10,668.62 and 4,194.12

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Solution

The fourth proportional to 7,730.90, 10,668.62 and 4,194.12 is: 5,787.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,730.90 : 10,668.62 = 4,194.12 : x
  2. Step 2: Convert to fraction form
    7,730.90/10,668.62 = 4,194.12/x
  3. Step 3: Cross multiply
    7,730.90x = 10,668.62 × 4,194.12
  4. Step 4: Simplify right side
    7,730.90x = 44,745,419.17
  5. Step 5: Solve for x
    x = 44,745,419.17/7,730.90
  6. Step 6: Final answer
    x = 5,787.87

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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.