Home / 4,446.78-6,676.65-3,155.10

Finding the Fourth Proportional to 4,446.78, 6,676.65 and 3,155.10

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Solution

The fourth proportional to 4,446.78, 6,676.65 and 3,155.10 is: 4,737.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,446.78 : 6,676.65 = 3,155.10 : x
  2. Step 2: Convert to fraction form
    4,446.78/6,676.65 = 3,155.10/x
  3. Step 3: Cross multiply
    4,446.78x = 6,676.65 × 3,155.10
  4. Step 4: Simplify right side
    4,446.78x = 21,065,498.42
  5. Step 5: Solve for x
    x = 21,065,498.42/4,446.78
  6. Step 6: Final answer
    x = 4,737.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.