Home / 7,163.20-10,740.93-2,779.48

Finding the Fourth Proportional to 7,163.20, 10,740.93 and 2,779.48

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Solution

The fourth proportional to 7,163.20, 10,740.93 and 2,779.48 is: 4,167.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,163.20 : 10,740.93 = 2,779.48 : x
  2. Step 2: Convert to fraction form
    7,163.20/10,740.93 = 2,779.48/x
  3. Step 3: Cross multiply
    7,163.20x = 10,740.93 × 2,779.48
  4. Step 4: Simplify right side
    7,163.20x = 29,854,200.12
  5. Step 5: Solve for x
    x = 29,854,200.12/7,163.20
  6. Step 6: Final answer
    x = 4,167.72

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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.