Home / 5,260.37-7,880.09-3,174.08

Finding the Fourth Proportional to 5,260.37, 7,880.09 and 3,174.08

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Solution

The fourth proportional to 5,260.37, 7,880.09 and 3,174.08 is: 4,754.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.37 : 7,880.09 = 3,174.08 : x
  2. Step 2: Convert to fraction form
    5,260.37/7,880.09 = 3,174.08/x
  3. Step 3: Cross multiply
    5,260.37x = 7,880.09 × 3,174.08
  4. Step 4: Simplify right side
    5,260.37x = 25,011,980.80
  5. Step 5: Solve for x
    x = 25,011,980.80/5,260.37
  6. Step 6: Final answer
    x = 4,754.80

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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.