Home / 4,778-6,579.96-4,676.24

Finding the Fourth Proportional to 4,778, 6,579.96 and 4,676.24

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Solution

The fourth proportional to 4,778, 6,579.96 and 4,676.24 is: 6,439.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778 : 6,579.96 = 4,676.24 : x
  2. Step 2: Convert to fraction form
    4,778/6,579.96 = 4,676.24/x
  3. Step 3: Cross multiply
    4,778x = 6,579.96 × 4,676.24
  4. Step 4: Simplify right side
    4,778x = 30,769,472.15
  5. Step 5: Solve for x
    x = 30,769,472.15/4,778
  6. Step 6: Final answer
    x = 6,439.82

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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.