Home / 4,905.71-6,766.47-3,392.60

Finding the Fourth Proportional to 4,905.71, 6,766.47 and 3,392.60

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Solution

The fourth proportional to 4,905.71, 6,766.47 and 3,392.60 is: 4,679.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.71 : 6,766.47 = 3,392.60 : x
  2. Step 2: Convert to fraction form
    4,905.71/6,766.47 = 3,392.60/x
  3. Step 3: Cross multiply
    4,905.71x = 6,766.47 × 3,392.60
  4. Step 4: Simplify right side
    4,905.71x = 22,955,892.29
  5. Step 5: Solve for x
    x = 22,955,892.29/4,905.71
  6. Step 6: Final answer
    x = 4,679.42

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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.