Home / 4,783.79-6,607.94-3,989.71

Finding the Fourth Proportional to 4,783.79, 6,607.94 and 3,989.71

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Solution

The fourth proportional to 4,783.79, 6,607.94 and 3,989.71 is: 5,511.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,783.79 : 6,607.94 = 3,989.71 : x
  2. Step 2: Convert to fraction form
    4,783.79/6,607.94 = 3,989.71/x
  3. Step 3: Cross multiply
    4,783.79x = 6,607.94 × 3,989.71
  4. Step 4: Simplify right side
    4,783.79x = 26,363,757.75
  5. Step 5: Solve for x
    x = 26,363,757.75/4,783.79
  6. Step 6: Final answer
    x = 5,511.07

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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.