Home / 5,271.24-7,904.43-3,080.64

Finding the Fourth Proportional to 5,271.24, 7,904.43 and 3,080.64

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Solution

The fourth proportional to 5,271.24, 7,904.43 and 3,080.64 is: 4,619.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.24 : 7,904.43 = 3,080.64 : x
  2. Step 2: Convert to fraction form
    5,271.24/7,904.43 = 3,080.64/x
  3. Step 3: Cross multiply
    5,271.24x = 7,904.43 × 3,080.64
  4. Step 4: Simplify right side
    5,271.24x = 24,350,703.24
  5. Step 5: Solve for x
    x = 24,350,703.24/5,271.24
  6. Step 6: Final answer
    x = 4,619.54

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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.