Home / 4,779.84-6,591.78-3,099.48

Finding the Fourth Proportional to 4,779.84, 6,591.78 and 3,099.48

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Solution

The fourth proportional to 4,779.84, 6,591.78 and 3,099.48 is: 4,274.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.84 : 6,591.78 = 3,099.48 : x
  2. Step 2: Convert to fraction form
    4,779.84/6,591.78 = 3,099.48/x
  3. Step 3: Cross multiply
    4,779.84x = 6,591.78 × 3,099.48
  4. Step 4: Simplify right side
    4,779.84x = 20,431,090.27
  5. Step 5: Solve for x
    x = 20,431,090.27/4,779.84
  6. Step 6: Final answer
    x = 4,274.43

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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.