Home / 5,904.55-8,145.75-3,779.56

Finding the Fourth Proportional to 5,904.55, 8,145.75 and 3,779.56

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Solution

The fourth proportional to 5,904.55, 8,145.75 and 3,779.56 is: 5,214.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,904.55 : 8,145.75 = 3,779.56 : x
  2. Step 2: Convert to fraction form
    5,904.55/8,145.75 = 3,779.56/x
  3. Step 3: Cross multiply
    5,904.55x = 8,145.75 × 3,779.56
  4. Step 4: Simplify right side
    5,904.55x = 30,787,350.87
  5. Step 5: Solve for x
    x = 30,787,350.87/5,904.55
  6. Step 6: Final answer
    x = 5,214.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.