Home / 4,959.46-6,840.66-3,389.68

Finding the Fourth Proportional to 4,959.46, 6,840.66 and 3,389.68

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Solution

The fourth proportional to 4,959.46, 6,840.66 and 3,389.68 is: 4,675.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.46 : 6,840.66 = 3,389.68 : x
  2. Step 2: Convert to fraction form
    4,959.46/6,840.66 = 3,389.68/x
  3. Step 3: Cross multiply
    4,959.46x = 6,840.66 × 3,389.68
  4. Step 4: Simplify right side
    4,959.46x = 23,187,648.39
  5. Step 5: Solve for x
    x = 23,187,648.39/4,959.46
  6. Step 6: Final answer
    x = 4,675.44

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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.