Home / 7,192.60-10,779.80-3,239.64

Finding the Fourth Proportional to 7,192.60, 10,779.80 and 3,239.64

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Solution

The fourth proportional to 7,192.60, 10,779.80 and 3,239.64 is: 4,855.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.60 : 10,779.80 = 3,239.64 : x
  2. Step 2: Convert to fraction form
    7,192.60/10,779.80 = 3,239.64/x
  3. Step 3: Cross multiply
    7,192.60x = 10,779.80 × 3,239.64
  4. Step 4: Simplify right side
    7,192.60x = 34,922,655.07
  5. Step 5: Solve for x
    x = 34,922,655.07/7,192.60
  6. Step 6: Final answer
    x = 4,855.36

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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.