Home / 4,425.24-6,639.36-2,779.86

Finding the Fourth Proportional to 4,425.24, 6,639.36 and 2,779.86

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Solution

The fourth proportional to 4,425.24, 6,639.36 and 2,779.86 is: 4,170.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,425.24 : 6,639.36 = 2,779.86 : x
  2. Step 2: Convert to fraction form
    4,425.24/6,639.36 = 2,779.86/x
  3. Step 3: Cross multiply
    4,425.24x = 6,639.36 × 2,779.86
  4. Step 4: Simplify right side
    4,425.24x = 18,456,491.29
  5. Step 5: Solve for x
    x = 18,456,491.29/4,425.24
  6. Step 6: Final answer
    x = 4,170.73

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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.