Home / 4,607.20-6,899.76-3,779.68

Finding the Fourth Proportional to 4,607.20, 6,899.76 and 3,779.68

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Solution

The fourth proportional to 4,607.20, 6,899.76 and 3,779.68 is: 5,660.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,607.20 : 6,899.76 = 3,779.68 : x
  2. Step 2: Convert to fraction form
    4,607.20/6,899.76 = 3,779.68/x
  3. Step 3: Cross multiply
    4,607.20x = 6,899.76 × 3,779.68
  4. Step 4: Simplify right side
    4,607.20x = 26,078,884.88
  5. Step 5: Solve for x
    x = 26,078,884.88/4,607.20
  6. Step 6: Final answer
    x = 5,660.46

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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.