Home / 4,779.92-7,170.87-2,409.33

Finding the Fourth Proportional to 4,779.92, 7,170.87 and 2,409.33

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Solution

The fourth proportional to 4,779.92, 7,170.87 and 2,409.33 is: 3,614.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.92 : 7,170.87 = 2,409.33 : x
  2. Step 2: Convert to fraction form
    4,779.92/7,170.87 = 2,409.33/x
  3. Step 3: Cross multiply
    4,779.92x = 7,170.87 × 2,409.33
  4. Step 4: Simplify right side
    4,779.92x = 17,276,944.32
  5. Step 5: Solve for x
    x = 17,276,944.32/4,779.92
  6. Step 6: Final answer
    x = 3,614.49

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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.