Home / 4,779.45-7,161.38-2,926.68

Finding the Fourth Proportional to 4,779.45, 7,161.38 and 2,926.68

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Solution

The fourth proportional to 4,779.45, 7,161.38 and 2,926.68 is: 4,385.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.45 : 7,161.38 = 2,926.68 : x
  2. Step 2: Convert to fraction form
    4,779.45/7,161.38 = 2,926.68/x
  3. Step 3: Cross multiply
    4,779.45x = 7,161.38 × 2,926.68
  4. Step 4: Simplify right side
    4,779.45x = 20,959,037.10
  5. Step 5: Solve for x
    x = 20,959,037.10/4,779.45
  6. Step 6: Final answer
    x = 4,385.24

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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.