Home / 8,779.24-13,161.42-3,845.14

Finding the Fourth Proportional to 8,779.24, 13,161.42 and 3,845.14

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Solution

The fourth proportional to 8,779.24, 13,161.42 and 3,845.14 is: 5,764.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779.24 : 13,161.42 = 3,845.14 : x
  2. Step 2: Convert to fraction form
    8,779.24/13,161.42 = 3,845.14/x
  3. Step 3: Cross multiply
    8,779.24x = 13,161.42 × 3,845.14
  4. Step 4: Simplify right side
    8,779.24x = 50,607,502.50
  5. Step 5: Solve for x
    x = 50,607,502.50/8,779.24
  6. Step 6: Final answer
    x = 5,764.45

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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.