Home / 4,739.12-6,536.46-3,479.78

Finding the Fourth Proportional to 4,739.12, 6,536.46 and 3,479.78

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Solution

The fourth proportional to 4,739.12, 6,536.46 and 3,479.78 is: 4,799.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.12 : 6,536.46 = 3,479.78 : x
  2. Step 2: Convert to fraction form
    4,739.12/6,536.46 = 3,479.78/x
  3. Step 3: Cross multiply
    4,739.12x = 6,536.46 × 3,479.78
  4. Step 4: Simplify right side
    4,739.12x = 22,745,442.78
  5. Step 5: Solve for x
    x = 22,745,442.78/4,739.12
  6. Step 6: Final answer
    x = 4,799.51

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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.