Home / 4,838.69-6,669.43-3,420.56

Finding the Fourth Proportional to 4,838.69, 6,669.43 and 3,420.56

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Solution

The fourth proportional to 4,838.69, 6,669.43 and 3,420.56 is: 4,714.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,838.69 : 6,669.43 = 3,420.56 : x
  2. Step 2: Convert to fraction form
    4,838.69/6,669.43 = 3,420.56/x
  3. Step 3: Cross multiply
    4,838.69x = 6,669.43 × 3,420.56
  4. Step 4: Simplify right side
    4,838.69x = 22,813,143.58
  5. Step 5: Solve for x
    x = 22,813,143.58/4,838.69
  6. Step 6: Final answer
    x = 4,714.73

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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.