Home / 4,905.83-6,760.87-3,489.55

Finding the Fourth Proportional to 4,905.83, 6,760.87 and 3,489.55

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Solution

The fourth proportional to 4,905.83, 6,760.87 and 3,489.55 is: 4,809.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.83 : 6,760.87 = 3,489.55 : x
  2. Step 2: Convert to fraction form
    4,905.83/6,760.87 = 3,489.55/x
  3. Step 3: Cross multiply
    4,905.83x = 6,760.87 × 3,489.55
  4. Step 4: Simplify right side
    4,905.83x = 23,592,368.28
  5. Step 5: Solve for x
    x = 23,592,368.28/4,905.83
  6. Step 6: Final answer
    x = 4,809.04

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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.