Home / 4,339.19-6,519.47-2,779.86

Finding the Fourth Proportional to 4,339.19, 6,519.47 and 2,779.86

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Solution

The fourth proportional to 4,339.19, 6,519.47 and 2,779.86 is: 4,176.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,339.19 : 6,519.47 = 2,779.86 : x
  2. Step 2: Convert to fraction form
    4,339.19/6,519.47 = 2,779.86/x
  3. Step 3: Cross multiply
    4,339.19x = 6,519.47 × 2,779.86
  4. Step 4: Simplify right side
    4,339.19x = 18,123,199.97
  5. Step 5: Solve for x
    x = 18,123,199.97/4,339.19
  6. Step 6: Final answer
    x = 4,176.64

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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.