Home / 8,779.45-13,167.74-4,099.94

Finding the Fourth Proportional to 8,779.45, 13,167.74 and 4,099.94

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Solution

The fourth proportional to 8,779.45, 13,167.74 and 4,099.94 is: 6,149.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779.45 : 13,167.74 = 4,099.94 : x
  2. Step 2: Convert to fraction form
    8,779.45/13,167.74 = 4,099.94/x
  3. Step 3: Cross multiply
    8,779.45x = 13,167.74 × 4,099.94
  4. Step 4: Simplify right side
    8,779.45x = 53,986,943.94
  5. Step 5: Solve for x
    x = 53,986,943.94/8,779.45
  6. Step 6: Final answer
    x = 6,149.24

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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.